670789692 has 36 divisors (see below), whose sum is σ = 1708562856. Its totient is φ = 221888160.

The previous prime is 670789657. The next prime is 670789747. The reversal of 670789692 is 296987076.

It is a tau number, because it is divible by the number of its divisors (36).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66403 + ... + 75834.

Almost surely, 2^670789692 is an apocalyptic number.

It is an amenable number.

670789692 is an abundant number, since it is smaller than the sum of its proper divisors (1037773164).

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

670789692 is a wasteful number, since it uses less digits than its factorization.

670789692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142378 (or 142373 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 670789692 is about 25899.6079507007. The cubic root of 670789692 is about 875.3776620608.

The spelling of 670789692 in words is "six hundred seventy million, seven hundred eighty-nine thousand, six hundred ninety-two".