71572672 has 28 divisors (see below), whose sum is σ = 142326360. Its totient is φ = 35710976.

The previous prime is 71572663. The next prime is 71572673. The reversal of 71572672 is 27627517.

It is not an unprimeable number, because it can be changed into a prime (71572673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41328 + ... + 43024.

Almost surely, 2^71572672 is an apocalyptic number.

It is an amenable number.

71572672 is a deficient number, since it is larger than the sum of its proper divisors (70753688).

71572672 is a wasteful number, since it uses less digits than its factorization.

71572672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368 (or 2358 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 71572672 is about 8460.0633567368. The cubic root of 71572672 is about 415.1920957110.

The spelling of 71572672 in words is "seventy-one million, five hundred seventy-two thousand, six hundred seventy-two".