670760994 has 16 divisors (see below), whose sum is σ = 1353395232. Its totient is φ = 221608128.

The previous prime is 670760969. The next prime is 670761001. The reversal of 670760994 is 499067076.

It is a super-2 number, since 2×670760994² = 899840622143736072, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 493984 + ... + 495339.

It is an arithmetic number, because the mean of its divisors is an integer number (84587202).

Almost surely, 2^670760994 is an apocalyptic number.

670760994 is an abundant number, since it is smaller than the sum of its proper divisors (682634238).

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

670760994 is a wasteful number, since it uses less digits than its factorization.

670760994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989441.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 670760994 is about 25899.0539209447. The cubic root of 670760994 is about 875.3651782940.

The spelling of 670760994 in words is "six hundred seventy million, seven hundred sixty thousand, nine hundred ninety-four".