472490731 has 2 divisors, whose sum is σ = 472490732. Its totient is φ = 472490730.

The previous prime is 472490723. The next prime is 472490749. The reversal of 472490731 is 137094274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472490731 - 2³ = 472490723 is a prime.

It is a super-2 number, since 2×472490731² = 446494981761828722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (472490761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236245365 + 236245366.

It is an arithmetic number, because the mean of its divisors is an integer number (236245366).

Almost surely, 2^472490731 is an apocalyptic number.

472490731 is a deficient number, since it is larger than the sum of its proper divisors (1).

472490731 is an equidigital number, since it uses as much as digits as its factorization.

472490731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 472490731 is about 21736.8519109829. The cubic root of 472490731 is about 778.8690222044.

The spelling of 472490731 in words is "four hundred seventy-two million, four hundred ninety thousand, seven hundred thirty-one".