669926374 has 16 divisors (see below), whose sum is σ = 1082692800. Its totient is φ = 309052800.

The previous prime is 669926371. The next prime is 669926381. The reversal of 669926374 is 473629966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669926371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68227 + ... + 77425.

It is an arithmetic number, because the mean of its divisors is an integer number (67668300).

Almost surely, 2^669926374 is an apocalyptic number.

669926374 is a deficient number, since it is larger than the sum of its proper divisors (412766426).

669926374 is a wasteful number, since it uses less digits than its factorization.

669926374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12015.

The product of its digits is 2939328, while the sum is 52.

The square root of 669926374 is about 25882.9359617490. The cubic root of 669926374 is about 875.0019587439.

The spelling of 669926374 in words is "six hundred sixty-nine million, nine hundred twenty-six thousand, three hundred seventy-four".