744864836 has 12 divisors (see below), whose sum is σ = 1331248128. Its totient is φ = 364508232.

The previous prime is 744864829. The next prime is 744864859. The reversal of 744864836 is 638468447.

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, 1980836 + ... + 1981211.

It is an arithmetic number, because the mean of its divisors is an integer number (110937344).

Almost surely, 2^744864836 is an apocalyptic number.

It is an amenable number.

744864836 is a deficient number, since it is larger than the sum of its proper divisors (586383292).

744864836 is a wasteful number, since it uses less digits than its factorization.

744864836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962098 (or 3962096 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 50.

The square root of 744864836 is about 27292.2120026941. The cubic root of 744864836 is about 906.4819430356.

The spelling of 744864836 in words is "seven hundred forty-four million, eight hundred sixty-four thousand, eight hundred thirty-six".