670793305 has 16 divisors (see below), whose sum is σ = 990710784. Its totient is φ = 424589760.

The previous prime is 670793297. The next prime is 670793323. The reversal of 670793305 is 503397076.

It is not a de Polignac number, because 670793305 - 2³ = 670793297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736681 + ... + 737590.

It is an arithmetic number, because the mean of its divisors is an integer number (61919424).

Almost surely, 2^670793305 is an apocalyptic number.

670793305 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

670793305 is a deficient number, since it is larger than the sum of its proper divisors (319917479).

670793305 is a wasteful number, since it uses less digits than its factorization.

670793305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474296.

The product of its (nonzero) digits is 119070, while the sum is 40.

The square root of 670793305 is about 25899.6777006974. The cubic root of 670793305 is about 875.3792337078.

The spelling of 670793305 in words is "six hundred seventy million, seven hundred ninety-three thousand, three hundred five".