472805530 has 16 divisors (see below), whose sum is σ = 901112040. Its totient is φ = 177997312.

The previous prime is 472805407. The next prime is 472805569. The reversal of 472805530 is 35508274.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 453647401 + 19158129 = 21299^2 + 4377^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390435 + ... + 1390774.

Almost surely, 2^472805530 is an apocalyptic number.

472805530 is a deficient number, since it is larger than the sum of its proper divisors (428306510).

472805530 is a wasteful number, since it uses less digits than its factorization.

472805530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781233.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 472805530 is about 21744.0918412336. The cubic root of 472805530 is about 779.0419587589.

The spelling of 472805530 in words is "four hundred seventy-two million, eight hundred five thousand, five hundred thirty".