731366404 has 12 divisors (see below), whose sum is σ = 1280163024. Its totient is φ = 365605544.

The previous prime is 731366329. The next prime is 731366413. The reversal of 731366404 is 404663137.

It is a self number, because there is not a number n which added to its sum of digits gives 731366404.

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, 5259 + ... + 38605.

It is an arithmetic number, because the mean of its divisors is an integer number (106680252).

Almost surely, 2^731366404 is an apocalyptic number.

It is an amenable number.

731366404 is a deficient number, since it is larger than the sum of its proper divisors (548796620).

731366404 is a wasteful number, since it uses less digits than its factorization.

731366404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38834 (or 38832 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 731366404 is about 27043.7867910542. The cubic root of 731366404 is about 900.9727769888.

The spelling of 731366404 in words is "seven hundred thirty-one million, three hundred sixty-six thousand, four hundred four".