472821763 has 2 divisors, whose sum is σ = 472821764. Its totient is φ = 472821762.

The previous prime is 472821757. The next prime is 472821773. The reversal of 472821763 is 367128274.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472821763 is a prime.

It is not a weakly prime, because it can be changed into another prime (472821733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236410881 + 236410882.

It is an arithmetic number, because the mean of its divisors is an integer number (236410882).

Almost surely, 2^472821763 is an apocalyptic number.

472821763 is a deficient number, since it is larger than the sum of its proper divisors (1).

472821763 is an equidigital number, since it uses as much as digits as its factorization.

472821763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 472821763 is about 21744.4651118394. The cubic root of 472821763 is about 779.0508743648.

The spelling of 472821763 in words is "four hundred seventy-two million, eight hundred twenty-one thousand, seven hundred sixty-three".