74331625 has 8 divisors (see below), whose sum is σ = 92766024. Its totient is φ = 59465200.

The previous prime is 74331619. The next prime is 74331671. The reversal of 74331625 is 52613347.

It can be written as a sum of positive squares in 4 ways, for example, as 6615184 + 67716441 = 2572^2 + 8229^2 .

It is a de Polignac number, because none of the positive numbers 2^k-74331625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297202 + ... + 297451.

It is an arithmetic number, because the mean of its divisors is an integer number (11595753).

Almost surely, 2^74331625 is an apocalyptic number.

It is an amenable number.

74331625 is a deficient number, since it is larger than the sum of its proper divisors (18434399).

74331625 is an equidigital number, since it uses as much as digits as its factorization.

74331625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594668 (or 594658 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 74331625 is about 8621.5790317088. The cubic root of 74331625 is about 420.4598610126.

The spelling of 74331625 in words is "seventy-four million, three hundred thirty-one thousand, six hundred twenty-five".