670634760 has 64 divisors (see below), whose sum is σ = 2040266880. Its totient is φ = 176314880.

The previous prime is 670634743. The next prime is 670634779. The reversal of 670634760 is 67436076.

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, 30837 + ... + 47876.

It is an arithmetic number, because the mean of its divisors is an integer number (31879170).

Almost surely, 2^670634760 is an apocalyptic number.

670634760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670634760 is an abundant number, since it is smaller than the sum of its proper divisors (1369632120).

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

670634760 is a wasteful number, since it uses less digits than its factorization.

670634760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78798 (or 78794 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 670634760 is about 25896.6167674467. The cubic root of 670634760 is about 875.3102616736.

The spelling of 670634760 in words is "six hundred seventy million, six hundred thirty-four thousand, seven hundred sixty".