670545272 has 16 divisors (see below), whose sum is σ = 1258069560. Its totient is φ = 335060064.

The previous prime is 670545233. The next prime is 670545329. The reversal of 670545272 is 272545076.

It is a happy number.

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

It is a congruent number.

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, 12743 + ... + 38774.

Almost surely, 2^670545272 is an apocalyptic number.

It is an amenable number.

670545272 is a deficient number, since it is larger than the sum of its proper divisors (587524288).

670545272 is a wasteful number, since it uses less digits than its factorization.

670545272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53150 (or 53146 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 670545272 is about 25894.8889165410. Note that the first 3 decimals coincide. The cubic root of 670545272 is about 875.2713267950.

The spelling of 670545272 in words is "six hundred seventy million, five hundred forty-five thousand, two hundred seventy-two".