744856402 has 8 divisors (see below), whose sum is σ = 1117414656. Its totient is φ = 372384852.

The previous prime is 744856379. The next prime is 744856417. The reversal of 744856402 is 204658447.

It is a happy number.

744856402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×744856402² = 1109622119200771208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7843 + ... + 39385.

It is an arithmetic number, because the mean of its divisors is an integer number (139676832).

Almost surely, 2^744856402 is an apocalyptic number.

744856402 is a deficient number, since it is larger than the sum of its proper divisors (372558254).

744856402 is a wasteful number, since it uses less digits than its factorization.

744856402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43352.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 744856402 is about 27292.0574893136. The cubic root of 744856402 is about 906.4785217001.

The spelling of 744856402 in words is "seven hundred forty-four million, eight hundred fifty-six thousand, four hundred two".