40722672 has 40 divisors (see below), whose sum is σ = 105514576. Its totient is φ = 13533696.

The previous prime is 40722653. The next prime is 40722697. The reversal of 40722672 is 27622704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17988 + ... + 20124.

Almost surely, 2^40722672 is an apocalyptic number.

It is an amenable number.

40722672 is an abundant number, since it is smaller than the sum of its proper divisors (64791904).

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

40722672 is a wasteful number, since it uses less digits than its factorization.

40722672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545 (or 2539 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 40722672 is about 6381.4318142561. The cubic root of 40722672 is about 344.0424952009.

The spelling of 40722672 in words is "forty million, seven hundred twenty-two thousand, six hundred seventy-two".