72069925 has 12 divisors (see below), whose sum is σ = 93252960. Its totient is φ = 55148720.

The previous prime is 72069917. The next prime is 72069937. The reversal of 72069925 is 52996027.

It is a happy number.

It is not a de Polignac number, because 72069925 - 2³ = 72069917 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 62095 + ... + 63244.

It is an arithmetic number, because the mean of its divisors is an integer number (7771080).

Almost surely, 2^72069925 is an apocalyptic number.

It is an amenable number.

72069925 is a deficient number, since it is larger than the sum of its proper divisors (21183035).

72069925 is a wasteful number, since it uses less digits than its factorization.

72069925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125372 (or 125367 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 72069925 is about 8489.4007444578. The cubic root of 72069925 is about 416.1513968332.

The spelling of 72069925 in words is "seventy-two million, sixty-nine thousand, nine hundred twenty-five".