744724725 has 12 divisors (see below), whose sum is σ = 1231278336. Its totient is φ = 397186480.

The previous prime is 744724699. The next prime is 744724777. The reversal of 744724725 is 527427447.

It is not a de Polignac number, because 744724725 - 2⁵ = 744724693 is a prime.

It is a super-2 number, since 2×744724725² = 1109229832052651250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4964757 + ... + 4964906.

It is an arithmetic number, because the mean of its divisors is an integer number (102606528).

Almost surely, 2^744724725 is an apocalyptic number.

744724725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

744724725 is a deficient number, since it is larger than the sum of its proper divisors (486553611).

744724725 is a wasteful number, since it uses less digits than its factorization.

744724725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9929676 (or 9929671 counting only the distinct ones).

The product of its digits is 439040, while the sum is 42.

The square root of 744724725 is about 27289.6450141807. The cubic root of 744724725 is about 906.4251022730.

It can be divided in two parts, 74472 and 4725, that added together give a palindrome (79197).

The spelling of 744724725 in words is "seven hundred forty-four million, seven hundred twenty-four thousand, seven hundred twenty-five".