672072292 has 12 divisors (see below), whose sum is σ = 1207913980. Its totient is φ = 326954016.

The previous prime is 672072283. The next prime is 672072311. The reversal of 672072292 is 292270276.

It can be written as a sum of positive squares in 2 ways, for example, as 638269696 + 33802596 = 25264^2 + 5814^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 2270367 + ... + 2270662.

Almost surely, 2^672072292 is an apocalyptic number.

It is an amenable number.

672072292 is a deficient number, since it is larger than the sum of its proper divisors (535841688).

672072292 is a wasteful number, since it uses less digits than its factorization.

672072292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541070 (or 4541068 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 672072292 is about 25924.3571183549. The cubic root of 672072292 is about 875.9352359979.

The spelling of 672072292 in words is "six hundred seventy-two million, seventy-two thousand, two hundred ninety-two".