497764731 has 8 divisors (see below), whose sum is σ = 664024384. Its totient is φ = 331674120.

The previous prime is 497764693. The next prime is 497764739. The reversal of 497764731 is 137467794.

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

It is not a de Polignac number, because 497764731 - 2⁶ = 497764667 is a prime.

It is a super-2 number, since 2×497764731² = 495539454855004722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497764739) 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, 35221 + ... + 47286.

It is an arithmetic number, because the mean of its divisors is an integer number (83003048).

Almost surely, 2^497764731 is an apocalyptic number.

497764731 is a deficient number, since it is larger than the sum of its proper divisors (166259653).

497764731 is a wasteful number, since it uses less digits than its factorization.

497764731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84521.

The product of its digits is 889056, while the sum is 48.

The square root of 497764731 is about 22310.6416537042. The cubic root of 497764731 is about 792.5160029542.

The spelling of 497764731 in words is "four hundred ninety-seven million, seven hundred sixty-four thousand, seven hundred thirty-one".