670235772 has 24 divisors (see below), whose sum is σ = 1564617600. Its totient is φ = 223307056.

The previous prime is 670235767. The next prime is 670235807. The reversal of 670235772 is 277532076.

It is a self number, because there is not a number n which added to its sum of digits gives 670235772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16129 + ... + 40007.

It is an arithmetic number, because the mean of its divisors is an integer number (65192400).

Almost surely, 2^670235772 is an apocalyptic number.

It is an amenable number.

670235772 is an abundant number, since it is smaller than the sum of its proper divisors (894381828).

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

670235772 is a wasteful number, since it uses less digits than its factorization.

670235772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26225 (or 26223 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 39.

The square root of 670235772 is about 25888.9121440048. The cubic root of 670235772 is about 875.1366413002.

The spelling of 670235772 in words is "six hundred seventy million, two hundred thirty-five thousand, seven hundred seventy-two".