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74807362982420 = 225269133671040227
BaseRepresentation
bin10001000000100101110010…
…010011000001001000010100
3100210212111212202012110202222
4101000211302103001020110
534301120434410414140
6423034010024121512
721520440122535215
oct2100456223011024
9323774782173688
1074807362982420
11219216961a8122
128482202606298
1332983c5035123
1414689a4d7340c
1589ada03ac5b5
hex4409724c1214

74807362982420 has 48 divisors (see below), whose sum is σ = 157691408031360. Its totient is φ = 29809448575104.

The previous prime is 74807362982329. The next prime is 74807362982423. The reversal of 74807362982420 is 2428926370847.

It is a super-2 number, since 2×748073629824202 (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74807362982423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71394347 + ... + 72434573.

It is an arithmetic number, because the mean of its divisors is an integer number (3285237667320).

Almost surely, 274807362982420 is an apocalyptic number.

It is an amenable number.

74807362982420 is an abundant number, since it is smaller than the sum of its proper divisors (82884045048940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74807362982420 is a wasteful number, since it uses less digits than its factorization.

74807362982420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053872 (or 1053870 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 62.

The spelling of 74807362982420 in words is "seventy-four trillion, eight hundred seven billion, three hundred sixty-two million, nine hundred eighty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 269 538 1076 1345 2690 5380 13367 26734 53468 66835 133670 267340 1040227 2080454 3595723 4160908 5201135 7191446 10402270 14382892 17978615 20804540 35957230 71914460 279821063 559642126 1119284252 1399105315 2798210630 5596421260 13904714309 27809428618 55618857236 69523571545 139047143090 278094286180 3740368149121 7480736298242 14961472596484 18701840745605 37403681491210 74807362982420