747272 has 16 divisors (see below), whose sum is σ = 1449900. Its totient is φ = 360640.

The previous prime is 747259. The next prime is 747277. The reversal of 747272 is 272747.

It can be written as a sum of positive squares in 2 ways, for example, as 729316 + 17956 = 854^2 + 134^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (747277) 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, 1379 + ... + 1842.

2⁷⁴⁷²⁷² is an apocalyptic number.

It is an amenable number.

747272 is a deficient number, since it is larger than the sum of its proper divisors (702628).

747272 is a wasteful number, since it uses less digits than its factorization.

747272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 3252 counting only the distinct ones).

The product of its digits is 5488, while the sum is 29.

The square root of 747272 is about 864.4489574290. The cubic root of 747272 is about 90.7457379224.

The spelling of 747272 in words is "seven hundred forty-seven thousand, two hundred seventy-two", and thus it is an iban number.