74057512 has 32 divisors (see below), whose sum is σ = 145509120. Its totient is φ = 35291520.

The previous prime is 74057509. The next prime is 74057513. The reversal of 74057512 is 21575047.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (74057513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14388 + ... + 18844.

It is an arithmetic number, because the mean of its divisors is an integer number (4547160).

Almost surely, 2^74057512 is an apocalyptic number.

It is an amenable number.

74057512 is a deficient number, since it is larger than the sum of its proper divisors (71451608).

74057512 is a wasteful number, since it uses less digits than its factorization.

74057512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561 (or 4557 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 74057512 is about 8605.6674348943. The cubic root of 74057512 is about 419.9423806066.

The spelling of 74057512 in words is "seventy-four million, fifty-seven thousand, five hundred twelve".