472931947 has 2 divisors, whose sum is σ = 472931948. Its totient is φ = 472931946.

The previous prime is 472931867. The next prime is 472931951. The reversal of 472931947 is 749139274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472931947 - 2²⁷ = 338714219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 472931897 and 472931906.

It is not a weakly prime, because it can be changed into another prime (472931047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236465973 + 236465974.

It is an arithmetic number, because the mean of its divisors is an integer number (236465974).

Almost surely, 2^472931947 is an apocalyptic number.

472931947 is a deficient number, since it is larger than the sum of its proper divisors (1).

472931947 is an equidigital number, since it uses as much as digits as its factorization.

472931947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 472931947 is about 21746.9985745160. The cubic root of 472931947 is about 779.1113850275. Note that the first 3 decimals are identical.

The spelling of 472931947 in words is "four hundred seventy-two million, nine hundred thirty-one thousand, nine hundred forty-seven".