731472264 has 48 divisors (see below), whose sum is σ = 2008223100. Its totient is φ = 240482304.

The previous prime is 731472257. The next prime is 731472271. The reversal of 731472264 is 462274137.

It is an interprime number because it is at equal distance from previous prime (731472257) and next prime (731472271).

It can be written as a sum of positive squares in 2 ways, for example, as 731269764 + 202500 = 27042^2 + 450^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 64329 + ... + 74840.

Almost surely, 2^731472264 is an apocalyptic number.

It is an amenable number.

731472264 is an abundant number, since it is smaller than the sum of its proper divisors (1276750836).

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

731472264 is a wasteful number, since it uses less digits than its factorization.

731472264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139254 (or 139247 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 731472264 is about 27045.7439165574. The cubic root of 731472264 is about 901.0162446571.

The spelling of 731472264 in words is "seven hundred thirty-one million, four hundred seventy-two thousand, two hundred sixty-four".