669304274 has 8 divisors (see below), whose sum is σ = 1016664960. Its totient is φ = 330415956.

The previous prime is 669304267. The next prime is 669304309. The reversal of 669304274 is 472403966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×669304274² = 895936422389334152, which contains 22 as substring.

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, 2117894 + ... + 2118209.

It is an arithmetic number, because the mean of its divisors is an integer number (127083120).

Almost surely, 2^669304274 is an apocalyptic number.

669304274 is a deficient number, since it is larger than the sum of its proper divisors (347360686).

669304274 is a wasteful number, since it uses less digits than its factorization.

669304274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236184.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 669304274 is about 25870.9156003416. The cubic root of 669304274 is about 874.7310298183.

The spelling of 669304274 in words is "six hundred sixty-nine million, three hundred four thousand, two hundred seventy-four".