670570992 has 240 divisors, whose sum is σ = 2344724928. Its totient is φ = 174182400.

The previous prime is 670570969. The next prime is 670570993. The reversal of 670570992 is 299075076.

670570992 is a `hidden beast` number, since 6 + 70 + 570 + 9 + 9 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670570993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 956242 + ... + 956942.

Almost surely, 2^670570992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670570992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172362464).

670570992 is an abundant number, since it is smaller than the sum of its proper divisors (1674153936).

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

670570992 is a wasteful number, since it uses less digits than its factorization.

670570992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 670570992 is about 25895.3855348786. The cubic root of 670570992 is about 875.2825175336.

The spelling of 670570992 in words is "six hundred seventy million, five hundred seventy thousand, nine hundred ninety-two".