74500530 has 32 divisors (see below), whose sum is σ = 192556224. Its totient is φ = 18338496.

The previous prime is 74500523. The next prime is 74500589. The reversal of 74500530 is 3500547.

It is a self number, because there is not a number n which added to its sum of digits gives 74500530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95124 + ... + 95903.

It is an arithmetic number, because the mean of its divisors is an integer number (6017382).

Almost surely, 2^74500530 is an apocalyptic number.

74500530 is an abundant number, since it is smaller than the sum of its proper divisors (118055694).

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

74500530 is a wasteful number, since it uses less digits than its factorization.

74500530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191050.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 74500530 is about 8631.3689528371. The cubic root of 74500530 is about 420.7780927612.

The spelling of 74500530 in words is "seventy-four million, five hundred thousand, five hundred thirty".