492712731 has 48 divisors (see below), whose sum is σ = 858873600. Its totient is φ = 265892544.

The previous prime is 492712723. The next prime is 492712733. The reversal of 492712731 is 137217294.

It is not a de Polignac number, because 492712731 - 2³ = 492712723 is a prime.

It is a super-2 number, since 2×492712731² = 485531670578956722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (492712733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 666360 + ... + 667098.

It is an arithmetic number, because the mean of its divisors is an integer number (17893200).

Almost surely, 2^492712731 is an apocalyptic number.

492712731 is a deficient number, since it is larger than the sum of its proper divisors (366160869).

492712731 is a wasteful number, since it uses less digits than its factorization.

492712731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1325 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 492712731 is about 22197.1333960041. The cubic root of 492712731 is about 789.8257004774.

The spelling of 492712731 in words is "four hundred ninety-two million, seven hundred twelve thousand, seven hundred thirty-one".