40075072 has 14 divisors (see below), whose sum is σ = 79524098. Its totient is φ = 20037504.

The previous prime is 40075043. The next prime is 40075073. The reversal of 40075072 is 27057004.

40075072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30735936 + 9339136 = 5544^2 + 3056^2 .

It is a super-2 number, since 2×40075072² = 3212022791610368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40075073) by changing a digit.

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 as a sum of consecutive naturals, namely, 313023 + ... + 313150.

Almost surely, 2^40075072 is an apocalyptic number.

It is an amenable number.

40075072 is a deficient number, since it is larger than the sum of its proper divisors (39449026).

40075072 is an equidigital number, since it uses as much as digits as its factorization.

40075072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626185 (or 626175 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 40075072 is about 6330.4875009749. The cubic root of 40075072 is about 342.2090078167.

The spelling of 40075072 in words is "forty million, seventy-five thousand, seventy-two".