669874792 has 16 divisors (see below), whose sum is σ = 1322121600. Its totient is φ = 317309040.

The previous prime is 669874781. The next prime is 669874801. The reversal of 669874792 is 297478966.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203384 + ... + 2203687.

It is an arithmetic number, because the mean of its divisors is an integer number (82632600).

Almost surely, 2^669874792 is an apocalyptic number.

It is an amenable number.

669874792 is a deficient number, since it is larger than the sum of its proper divisors (652246808).

669874792 is a wasteful number, since it uses less digits than its factorization.

669874792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407096 (or 4407092 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 58.

The square root of 669874792 is about 25881.9394945587. The cubic root of 669874792 is about 874.9795007987.

The spelling of 669874792 in words is "six hundred sixty-nine million, eight hundred seventy-four thousand, seven hundred ninety-two".