40572724 has 12 divisors (see below), whose sum is σ = 71858304. Its totient is φ = 20041784.

The previous prime is 40572709. The next prime is 40572773. The reversal of 40572724 is 42727504.

40572724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40572724² = 3292291865560352, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 60772 + ... + 61435.

It is an arithmetic number, because the mean of its divisors is an integer number (5988192).

Almost surely, 2^40572724 is an apocalyptic number.

It is an amenable number.

40572724 is a deficient number, since it is larger than the sum of its proper divisors (31285580).

40572724 is a wasteful number, since it uses less digits than its factorization.

40572724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122294 (or 122292 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 40572724 is about 6369.6722050668. The cubic root of 40572724 is about 343.6197009633.

The spelling of 40572724 in words is "forty million, five hundred seventy-two thousand, seven hundred twenty-four".