747271328 has 24 divisors (see below), whose sum is σ = 1472464980. Its totient is φ = 373312000.

The previous prime is 747271321. The next prime is 747271339. The reversal of 747271328 is 823172747.

It can be written as a sum of positive squares in 2 ways, for example, as 731810704 + 15460624 = 27052^2 + 3932^2 .

It is not an unprimeable number, because it can be changed into a prime (747271321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29828 + ... + 48828.

Almost surely, 2^747271328 is an apocalyptic number.

It is an amenable number.

747271328 is a deficient number, since it is larger than the sum of its proper divisors (725193652).

747271328 is a wasteful number, since it uses less digits than its factorization.

747271328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20240 (or 20232 counting only the distinct ones).

The product of its digits is 131712, while the sum is 41.

The square root of 747271328 is about 27336.2639729719. The cubic root of 747271328 is about 907.4571072068.

The spelling of 747271328 in words is "seven hundred forty-seven million, two hundred seventy-one thousand, three hundred twenty-eight".