670967960 has 64 divisors (see below), whose sum is σ = 1696524480. Its totient is φ = 236966400.

The previous prime is 670967909. The next prime is 670967971. The reversal of 670967960 is 69769076.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 670967899 and 670967908.

It is a congruent number.

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, 16091 + ... + 40010.

It is an arithmetic number, because the mean of its divisors is an integer number (26508195).

Almost surely, 2^670967960 is an apocalyptic number.

It is an amenable number.

670967960 is an abundant number, since it is smaller than the sum of its proper divisors (1025556520).

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

670967960 is a wasteful number, since it uses less digits than its factorization.

670967960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56148 (or 56144 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 670967960 is about 25903.0492413538. The cubic root of 670967960 is about 875.4552015167.

The spelling of 670967960 in words is "six hundred seventy million, nine hundred sixty-seven thousand, nine hundred sixty".