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74703972 = 22371946807
BaseRepresentation
bin1000111001111…
…10010001100100
312012120100120210
410130332101210
5123111011342
611225055420
71564654560
oct434762144
9165510523
1074703972
1139194222
1221027570
1312627945
149cc86a0
15685979c
hex473e464

74703972 has 48 divisors (see below), whose sum is σ = 209699840. Its totient is φ = 20220192.

The previous prime is 74703947. The next prime is 74703983. The reversal of 74703972 is 27930747.

It is a self number, because there is not a number n which added to its sum of digits gives 74703972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21808 + ... + 24999.

Almost surely, 274703972 is an apocalyptic number.

It is an amenable number.

74703972 is an abundant number, since it is smaller than the sum of its proper divisors (134995868).

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

74703972 is a wasteful number, since it uses less digits than its factorization.

74703972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46840 (or 46838 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 74703972 is about 8643.1459550328. The cubic root of 74703972 is about 421.1607573046.

The spelling of 74703972 in words is "seventy-four million, seven hundred three thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 46807 93614 140421 187228 280842 327649 561684 655298 889333 982947 1310596 1778666 1965894 2667999 3557332 3931788 5335998 6225331 10671996 12450662 18675993 24901324 37351986 74703972