72669425 has 24 divisors (see below), whose sum is σ = 95327232. Its totient is φ = 54864000.

The previous prime is 72669419. The next prime is 72669431. The reversal of 72669425 is 52496627.

It is an interprime number because it is at equal distance from previous prime (72669419) and next prime (72669431).

It is not a de Polignac number, because 72669425 - 2⁴ = 72669409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30632 + ... + 32918.

It is an arithmetic number, because the mean of its divisors is an integer number (3971968).

Almost surely, 2^72669425 is an apocalyptic number.

It is an amenable number.

72669425 is a deficient number, since it is larger than the sum of its proper divisors (22657807).

72669425 is a wasteful number, since it uses less digits than its factorization.

72669425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2364 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 72669425 is about 8524.6363558805. The cubic root of 72669425 is about 417.3021042111.

The spelling of 72669425 in words is "seventy-two million, six hundred sixty-nine thousand, four hundred twenty-five".