74712542512 has 20 divisors (see below), whose sum is σ = 145860559416. Its totient is φ = 37071107840.

The previous prime is 74712542507. The next prime is 74712542533. The reversal of 74712542512 is 21524521747.

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, 17820553 + ... + 17824744.

Almost surely, 2^74712542512 is an apocalyptic number.

It is an amenable number.

74712542512 is a deficient number, since it is larger than the sum of its proper divisors (71148016904).

74712542512 is a wasteful number, since it uses less digits than its factorization.

74712542512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35645436 (or 35645430 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The spelling of 74712542512 in words is "seventy-four billion, seven hundred twelve million, five hundred forty-two thousand, five hundred twelve".