670015007 has 4 divisors (see below), whose sum is σ = 670117560. Its totient is φ = 669912456.

The previous prime is 670014977. The next prime is 670015009. The reversal of 670015007 is 700510076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670015007 - 2²⁸ = 401579551 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 (670015009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40757 + ... + 54782.

It is an arithmetic number, because the mean of its divisors is an integer number (167529390).

Almost surely, 2^670015007 is an apocalyptic number.

670015007 is a deficient number, since it is larger than the sum of its proper divisors (102553).

670015007 is an equidigital number, since it uses as much as digits as its factorization.

670015007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102552.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 670015007 is about 25884.6480949616. The cubic root of 670015007 is about 875.0405453865.

The spelling of 670015007 in words is "six hundred seventy million, fifteen thousand, seven".