72400846 has 32 divisors (see below), whose sum is σ = 126282240. Its totient is φ = 30493536.

The previous prime is 72400843. The next prime is 72400859. The reversal of 72400846 is 64800427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72400843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404385 + ... + 404563.

It is an arithmetic number, because the mean of its divisors is an integer number (3946320).

Almost surely, 2^72400846 is an apocalyptic number.

72400846 is a deficient number, since it is larger than the sum of its proper divisors (53881394).

72400846 is a wasteful number, since it uses less digits than its factorization.

72400846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 72400846 is about 8508.8686674552. The cubic root of 72400846 is about 416.7873671298.

The spelling of 72400846 in words is "seventy-two million, four hundred thousand, eight hundred forty-six".