744621164 has 24 divisors (see below), whose sum is σ = 1498387968. Its totient is φ = 317163600.

The previous prime is 744621121. The next prime is 744621173. The reversal of 744621164 is 461126447.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77012 + ... + 86139.

It is an arithmetic number, because the mean of its divisors is an integer number (62432832).

Almost surely, 2^744621164 is an apocalyptic number.

It is an amenable number.

744621164 is an abundant number, since it is smaller than the sum of its proper divisors (753766804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

744621164 is a wasteful number, since it uses less digits than its factorization.

744621164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163325 (or 163323 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 744621164 is about 27287.7475068940. The cubic root of 744621164 is about 906.3830846709.

The spelling of 744621164 in words is "seven hundred forty-four million, six hundred twenty-one thousand, one hundred sixty-four".