670393560 has 64 divisors (see below), whose sum is σ = 2031130080. Its totient is φ = 176998400.

The previous prime is 670393553. The next prime is 670393601. The reversal of 670393560 is 65393076.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15537 + ... + 39776.

Almost surely, 2^670393560 is an apocalyptic number.

670393560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670393560 is an abundant number, since it is smaller than the sum of its proper divisors (1360736520).

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

670393560 is a wasteful number, since it uses less digits than its factorization.

670393560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55428 (or 55424 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 39.

The square root of 670393560 is about 25891.9593696576. The cubic root of 670393560 is about 875.2053112775.

The spelling of 670393560 in words is "six hundred seventy million, three hundred ninety-three thousand, five hundred sixty".