670064679 has 6 divisors (see below), whose sum is σ = 967871216. Its totient is φ = 446709780.

The previous prime is 670064627. The next prime is 670064683. The reversal of 670064679 is 976460076.

It is not a de Polignac number, because 670064679 - 2⁹ = 670064167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670064699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37225807 + ... + 37225824.

Almost surely, 2^670064679 is an apocalyptic number.

670064679 is a deficient number, since it is larger than the sum of its proper divisors (297806537).

670064679 is a wasteful number, since it uses less digits than its factorization.

670064679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74451637 (or 74451634 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 670064679 is about 25885.6075648226. The cubic root of 670064679 is about 875.0621687529.

The spelling of 670064679 in words is "six hundred seventy million, sixty-four thousand, six hundred seventy-nine".