74634625 has 24 divisors (see below), whose sum is σ = 100888632. Its totient is φ = 55099200.

The previous prime is 74634611. The next prime is 74634629. The reversal of 74634625 is 52643647.

It can be written as a sum of positive squares in 12 ways, for example, as 65658609 + 8976016 = 8103^2 + 2996^2 .

It is not a de Polignac number, because 74634625 - 2⁹ = 74634113 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74634629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19359 + ... + 22891.

It is an arithmetic number, because the mean of its divisors is an integer number (4203693).

Almost surely, 2^74634625 is an apocalyptic number.

It is an amenable number.

74634625 is a deficient number, since it is larger than the sum of its proper divisors (26254007).

74634625 is a wasteful number, since it uses less digits than its factorization.

74634625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574 (or 3551 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 74634625 is about 8639.1333477381. The cubic root of 74634625 is about 421.0303970921.

The spelling of 74634625 in words is "seventy-four million, six hundred thirty-four thousand, six hundred twenty-five".