72465752 has 16 divisors (see below), whose sum is σ = 137594400. Its totient is φ = 35773920.

The previous prime is 72465733. The next prime is 72465761. The reversal of 72465752 is 25756427.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 56699 + ... + 57962.

It is an arithmetic number, because the mean of its divisors is an integer number (8599650).

Almost surely, 2^72465752 is an apocalyptic number.

It is an amenable number.

72465752 is a deficient number, since it is larger than the sum of its proper divisors (65128648).

72465752 is a wasteful number, since it uses less digits than its factorization.

72465752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114746 (or 114742 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 72465752 is about 8512.6818335939. The cubic root of 72465752 is about 416.9118772817.

The spelling of 72465752 in words is "seventy-two million, four hundred sixty-five thousand, seven hundred fifty-two".