74734625 has 16 divisors (see below), whose sum is σ = 106594176. Its totient is φ = 51246000.

The previous prime is 74734609. The next prime is 74734661. The reversal of 74734625 is 52643747.

It is not a de Polignac number, because 74734625 - 2⁴ = 74734609 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 41831 + ... + 43580.

It is an arithmetic number, because the mean of its divisors is an integer number (6662136).

Almost surely, 2^74734625 is an apocalyptic number.

It is an amenable number.

74734625 is a deficient number, since it is larger than the sum of its proper divisors (31859551).

74734625 is an equidigital number, since it uses as much as digits as its factorization.

74734625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85433 (or 85423 counting only the distinct ones).

The product of its digits is 141120, while the sum is 38.

The square root of 74734625 is about 8644.9190279609. The cubic root of 74734625 is about 421.2183538642.

The spelling of 74734625 in words is "seventy-four million, seven hundred thirty-four thousand, six hundred twenty-five".