670552272 has 60 divisors (see below), whose sum is σ = 2020975684. Its totient is φ = 206323200.

The previous prime is 670552271. The next prime is 670552279. The reversal of 670552272 is 272255076.

670552272 is a `hidden beast` number, since 67 + 0 + 5 + 522 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 213276816 + 457275456 = 14604^2 + 21384^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670552271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177229 + ... + 180972.

Almost surely, 2^670552272 is an apocalyptic number.

It is an amenable number.

670552272 is an abundant number, since it is smaller than the sum of its proper divisors (1350423412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670552272 is a wasteful number, since it uses less digits than its factorization.

670552272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358228 (or 358219 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 670552272 is about 25895.0240779961. The cubic root of 670552272 is about 875.2743725142.

The spelling of 670552272 in words is "six hundred seventy million, five hundred fifty-two thousand, two hundred seventy-two".