72672572 has 24 divisors (see below), whose sum is σ = 146246016. Its totient is φ = 30952368.

The previous prime is 72672563. The next prime is 72672641. The reversal of 72672572 is 27527627.

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 7 ways as a sum of consecutive naturals, for example, 3398 + ... + 12525.

It is an arithmetic number, because the mean of its divisors is an integer number (6093584).

Almost surely, 2^72672572 is an apocalyptic number.

It is an amenable number.

72672572 is an abundant number, since it is smaller than the sum of its proper divisors (73573444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72672572 is a wasteful number, since it uses less digits than its factorization.

72672572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097 (or 16095 counting only the distinct ones).

The product of its digits is 82320, while the sum is 38.

The square root of 72672572 is about 8524.8209365359. The cubic root of 72672572 is about 417.3081279767.

The spelling of 72672572 in words is "seventy-two million, six hundred seventy-two thousand, five hundred seventy-two".