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74063880 = 233251159317
BaseRepresentation
bin1000110101000…
…10000000001000
312011100211112200
410122202000020
5122430021010
611203240200
71556350452
oct432420010
9164324480
1074063880
1138897320
1220979060
13124624a7
149b9d2d2
15677ecc0
hex46a2008

74063880 has 192 divisors, whose sum is σ = 267883200. Its totient is φ = 17594880.

The previous prime is 74063833. The next prime is 74063893. The reversal of 74063880 is 8836047.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233482 + ... + 233798.

It is an arithmetic number, because the mean of its divisors is an integer number (1395225).

Almost surely, 274063880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74063880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133941600).

74063880 is an abundant number, since it is smaller than the sum of its proper divisors (193819320).

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

74063880 is a wasteful number, since it uses less digits than its factorization.

74063880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 74063880 is about 8606.0374156751. The cubic root of 74063880 is about 419.9544168217.

It can be divided in two parts, 740 and 63880, that added together give a triangular number (64620 = T359).

The spelling of 74063880 in words is "seventy-four million, sixty-three thousand, eight hundred eighty".