74743864 has 16 divisors (see below), whose sum is σ = 150925320. Its totient is φ = 34497120.

The previous prime is 74743841. The next prime is 74743871. The reversal of 74743864 is 46834747.

It is a self number, because there is not a number n which added to its sum of digits gives 74743864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359242 + ... + 359449.

Almost surely, 2^74743864 is an apocalyptic number.

It is an amenable number.

74743864 is an abundant number, since it is smaller than the sum of its proper divisors (76181456).

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

74743864 is a wasteful number, since it uses less digits than its factorization.

74743864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718710 (or 718706 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The square root of 74743864 is about 8645.4533715705. The cubic root of 74743864 is about 421.2357107276.

The spelling of 74743864 in words is "seventy-four million, seven hundred forty-three thousand, eight hundred sixty-four".