670974 has 8 divisors (see below), whose sum is σ = 1341960. Its totient is φ = 223656.

The previous prime is 670963. The next prime is 670987. The reversal of 670974 is 479076.

It is a sphenic number, since it is the product of 3 distinct primes.

670974 is an admirable number.

It is a super-2 number, since 2×670974² = 900412217352, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670974.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55909 + ... + 55920.

It is an arithmetic number, because the mean of its divisors is an integer number (167745).

2⁶⁷⁰⁹⁷⁴ is an apocalyptic number.

670974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

670974 is a wasteful number, since it uses less digits than its factorization.

670974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111834.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 670974 is about 819.1300263084. The cubic root of 670974 is about 87.5457828435.

The spelling of 670974 in words is "six hundred seventy thousand, nine hundred seventy-four".