670743507 has 12 divisors (see below), whose sum is σ = 1040337096. Its totient is φ = 383281920.

The previous prime is 670743487. The next prime is 670743509. The reversal of 670743507 is 705347076.

It is not a de Polignac number, because 670743507 - 2⁶ = 670743443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670743509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2281294 + ... + 2281587.

It is an arithmetic number, because the mean of its divisors is an integer number (86694758).

Almost surely, 2^670743507 is an apocalyptic number.

670743507 is a deficient number, since it is larger than the sum of its proper divisors (369593589).

670743507 is a wasteful number, since it uses less digits than its factorization.

670743507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562898 (or 4562891 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 39.

The square root of 670743507 is about 25898.7163195399. The cubic root of 670743507 is about 875.3575711910.

The spelling of 670743507 in words is "six hundred seventy million, seven hundred forty-three thousand, five hundred seven".