672299272 has 16 divisors (see below), whose sum is σ = 1334712060. Its totient is φ = 316376064.

The previous prime is 672299261. The next prime is 672299321. The reversal of 672299272 is 272992276.

It can be written as a sum of positive squares in 2 ways, for example, as 671535396 + 763876 = 25914^2 + 874^2 .

It is a super-2 number, since 2×672299272² = 903972622263459968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2471553 + ... + 2471824.

Almost surely, 2^672299272 is an apocalyptic number.

It is an amenable number.

672299272 is a deficient number, since it is larger than the sum of its proper divisors (662412788).

672299272 is a wasteful number, since it uses less digits than its factorization.

672299272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4943400 (or 4943396 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 672299272 is about 25928.7344851229. The cubic root of 672299272 is about 876.0338352131.

The spelling of 672299272 in words is "six hundred seventy-two million, two hundred ninety-nine thousand, two hundred seventy-two".