744722725 has 12 divisors (see below), whose sum is σ = 926128224. Its totient is φ = 594054320.

The previous prime is 744722683. The next prime is 744722743. The reversal of 744722725 is 527227447.

It is not a de Polignac number, because 744722725 - 2¹⁹ = 744198437 is a prime.

It is a super-2 number, since 2×744722725² = 1109223874262851250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 34249 + ... + 51598.

It is an arithmetic number, because the mean of its divisors is an integer number (77177352).

Almost surely, 2^744722725 is an apocalyptic number.

It is an amenable number.

744722725 is a deficient number, since it is larger than the sum of its proper divisors (181405499).

744722725 is a wasteful number, since it uses less digits than its factorization.

744722725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86204 (or 86199 counting only the distinct ones).

The product of its digits is 219520, while the sum is 40.

The square root of 744722725 is about 27289.6083702203. The cubic root of 744722725 is about 906.4242908538.

The spelling of 744722725 in words is "seven hundred forty-four million, seven hundred twenty-two thousand, seven hundred twenty-five".