670989076 has 12 divisors (see below), whose sum is σ = 1175980372. Its totient is φ = 334994688.

The previous prime is 670989049. The next prime is 670989089.

670989076 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 160680976 + 510308100 = 12676^2 + 22590^2 .

It is a super-2 number, since 2×670989076² = 900452680222667552, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121935 + ... + 127318.

Almost surely, 2^670989076 is an apocalyptic number.

It is an amenable number.

670989076 is a deficient number, since it is larger than the sum of its proper divisors (504991296).

670989076 is a wasteful number, since it uses less digits than its factorization.

670989076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249930 (or 249928 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 670989076 is about 25903.4568349477. The cubic root of 670989076 is about 875.4643852230.

The spelling of 670989076 in words is "six hundred seventy million, nine hundred eighty-nine thousand, seventy-six".