670957972 has 24 divisors (see below), whose sum is σ = 1245502440. Its totient is φ = 315171840.

The previous prime is 670957961. The next prime is 670957993. The reversal of 670957972 is 279759076.

670957972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 207244816 + 463713156 = 14396^2 + 21534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30022 + ... + 47362.

It is an arithmetic number, because the mean of its divisors is an integer number (51895935).

Almost surely, 2^670957972 is an apocalyptic number.

It is an amenable number.

670957972 is a deficient number, since it is larger than the sum of its proper divisors (574544468).

670957972 is a wasteful number, since it uses less digits than its factorization.

670957972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17931 (or 17929 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 52.

The square root of 670957972 is about 25902.8564448016. The cubic root of 670957972 is about 875.4508574990.

The spelling of 670957972 in words is "six hundred seventy million, nine hundred fifty-seven thousand, nine hundred seventy-two".