744397272 has 24 divisors (see below), whose sum is σ = 2016076140. Its totient is φ = 248132400.

The previous prime is 744397261. The next prime is 744397273. The reversal of 744397272 is 272793447.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×744397272² = 1108254597122083968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744397273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5169354 + ... + 5169497.

Almost surely, 2^744397272 is an apocalyptic number.

744397272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

744397272 is an abundant number, since it is smaller than the sum of its proper divisors (1271678868).

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

744397272 is a wasteful number, since it uses less digits than its factorization.

744397272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10338863 (or 10338856 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 744397272 is about 27283.6447711811. The cubic root of 744397272 is about 906.2922320898.

The spelling of 744397272 in words is "seven hundred forty-four million, three hundred ninety-seven thousand, two hundred seventy-two".