670311760 has 40 divisors (see below), whose sum is σ = 1608754176. Its totient is φ = 259474560.

The previous prime is 670311749. The next prime is 670311767. The reversal of 670311760 is 67113076.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670311767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132664 + ... + 137623.

Almost surely, 2^670311760 is an apocalyptic number.

It is an amenable number.

670311760 is an abundant number, since it is smaller than the sum of its proper divisors (938442416).

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

670311760 is a wasteful number, since it uses less digits than its factorization.

670311760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270331 (or 270325 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 670311760 is about 25890.3796804914. The cubic root of 670311760 is about 875.1697129311.

The spelling of 670311760 in words is "six hundred seventy million, three hundred eleven thousand, seven hundred sixty".