74791712 has 48 divisors (see below), whose sum is σ = 151216632. Its totient is φ = 36403200.

The previous prime is 74791681. The next prime is 74791723. The reversal of 74791712 is 21719747.

It can be written as a sum of positive squares in 4 ways, for example, as 66520336 + 8271376 = 8156^2 + 2876^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235778 + ... + 236094.

Almost surely, 2^74791712 is an apocalyptic number.

It is an amenable number.

74791712 is an abundant number, since it is smaller than the sum of its proper divisors (76424920).

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

74791712 is a wasteful number, since it uses less digits than its factorization.

74791712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 493 counting only the distinct ones).

The product of its digits is 24696, while the sum is 38.

The square root of 74791712 is about 8648.2201637100. The cubic root of 74791712 is about 421.3255775780.

The spelling of 74791712 in words is "seventy-four million, seven hundred ninety-one thousand, seven hundred twelve".