74650512 has 40 divisors (see below), whose sum is σ = 194567904. Its totient is φ = 24661504.

The previous prime is 74650507. The next prime is 74650531. The reversal of 74650512 is 21505647.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 74650512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458 + ... + 12305.

Almost surely, 2^74650512 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 74650512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97283952).

74650512 is an abundant number, since it is smaller than the sum of its proper divisors (119917392).

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

74650512 is a wasteful number, since it uses less digits than its factorization.

74650512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13887 (or 13881 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 74650512 is about 8640.0527776166. The cubic root of 74650512 is about 421.0602689974.

The spelling of 74650512 in words is "seventy-four million, six hundred fifty thousand, five hundred twelve".