472730987 has 2 divisors, whose sum is σ = 472730988. Its totient is φ = 472730986.

The previous prime is 472730971. The next prime is 472731011. The reversal of 472730987 is 789037274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472730987 - 2⁴ = 472730971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (472730927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236365493 + 236365494.

It is an arithmetic number, because the mean of its divisors is an integer number (236365494).

Almost surely, 2^472730987 is an apocalyptic number.

472730987 is a deficient number, since it is larger than the sum of its proper divisors (1).

472730987 is an equidigital number, since it uses as much as digits as its factorization.

472730987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 472730987 is about 21742.3776758661. The cubic root of 472730987 is about 779.0010150916.

The spelling of 472730987 in words is "four hundred seventy-two million, seven hundred thirty thousand, nine hundred eighty-seven".