497732666 has 16 divisors (see below), whose sum is σ = 753762240. Its totient is φ = 246486240.

The previous prime is 497732659. The next prime is 497732687. The reversal of 497732666 is 666237794.

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, 160115 + ... + 163193.

It is an arithmetic number, because the mean of its divisors is an integer number (47110140).

Almost surely, 2^497732666 is an apocalyptic number.

497732666 is a deficient number, since it is larger than the sum of its proper divisors (256029574).

497732666 is a wasteful number, since it uses less digits than its factorization.

497732666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829.

The product of its digits is 2286144, while the sum is 50.

The square root of 497732666 is about 22309.9230388632. The cubic root of 497732666 is about 792.4989851613.

The spelling of 497732666 in words is "four hundred ninety-seven million, seven hundred thirty-two thousand, six hundred sixty-six".