744400770 has 16 divisors (see below), whose sum is σ = 1786561920. Its totient is φ = 198506864.

The previous prime is 744400763. The next prime is 744400823. The reversal of 744400770 is 77004447.

744400770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12406650 + ... + 12406709.

It is an arithmetic number, because the mean of its divisors is an integer number (111660120).

Almost surely, 2^744400770 is an apocalyptic number.

744400770 is an abundant number, since it is smaller than the sum of its proper divisors (1042161150).

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

744400770 is a wasteful number, since it uses less digits than its factorization.

744400770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24813369.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 744400770 is about 27283.7088754443. The cubic root of 744400770 is about 906.2936516746.

The spelling of 744400770 in words is "seven hundred forty-four million, four hundred thousand, seven hundred seventy".