74499625 has 16 divisors (see below), whose sum is σ = 93614976. Its totient is φ = 59190000.

The previous prime is 74499619. The next prime is 74499629. The reversal of 74499625 is 52699447.

It is not a de Polignac number, because 74499625 - 2¹⁵ = 74466857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74499629) by changing a digit.

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, 16902 + ... + 20848.

It is an arithmetic number, because the mean of its divisors is an integer number (5850936).

Almost surely, 2^74499625 is an apocalyptic number.

It is an amenable number.

74499625 is a deficient number, since it is larger than the sum of its proper divisors (19115351).

74499625 is a wasteful number, since it uses less digits than its factorization.

74499625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113 (or 4103 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 74499625 is about 8631.3165276220. The cubic root of 74499625 is about 420.7763889446.

The spelling of 74499625 in words is "seventy-four million, four hundred ninety-nine thousand, six hundred twenty-five".