72494732 has 24 divisors (see below), whose sum is σ = 137457936. Its totient is φ = 33320448.

The previous prime is 72494713. The next prime is 72494761. The reversal of 72494732 is 23749427.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9473 + ... + 15320.

It is an arithmetic number, because the mean of its divisors is an integer number (5727414).

Almost surely, 2^72494732 is an apocalyptic number.

It is an amenable number.

72494732 is a deficient number, since it is larger than the sum of its proper divisors (64963204).

72494732 is a wasteful number, since it uses less digits than its factorization.

72494732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24857 (or 24855 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 72494732 is about 8514.3838297319. The cubic root of 72494732 is about 416.9674460418.

The spelling of 72494732 in words is "seventy-two million, four hundred ninety-four thousand, seven hundred thirty-two".