72672568 has 32 divisors (see below), whose sum is σ = 144288000. Its totient is φ = 34218720.

The previous prime is 72672563. The next prime is 72672641. The reversal of 72672568 is 86527627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72672563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25873 + ... + 28543.

It is an arithmetic number, because the mean of its divisors is an integer number (4509000).

Almost surely, 2^72672568 is an apocalyptic number.

It is an amenable number.

72672568 is a deficient number, since it is larger than the sum of its proper divisors (71615432).

72672568 is a wasteful number, since it uses less digits than its factorization.

72672568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875 (or 2871 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 72672568 is about 8524.8207019268. The cubic root of 72672568 is about 417.3081203203.

The spelling of 72672568 in words is "seventy-two million, six hundred seventy-two thousand, five hundred sixty-eight".