669474275 has 12 divisors (see below), whose sum is σ = 830792064. Its totient is φ = 535164000.

The previous prime is 669474269. The next prime is 669474301. The reversal of 669474275 is 572474966.

It is not a de Polignac number, because 669474275 - 2⁴ = 669474259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24830 + ... + 44220.

It is an arithmetic number, because the mean of its divisors is an integer number (69232672).

Almost surely, 2^669474275 is an apocalyptic number.

669474275 is a deficient number, since it is larger than the sum of its proper divisors (161317789).

669474275 is a wasteful number, since it uses less digits than its factorization.

669474275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20782 (or 20777 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 50.

The square root of 669474275 is about 25874.2009538459. The cubic root of 669474275 is about 874.8050831137.

The spelling of 669474275 in words is "six hundred sixty-nine million, four hundred seventy-four thousand, two hundred seventy-five".