432774321 has 72 divisors (see below), whose sum is σ = 729078336. Its totient is φ = 227566080.

The previous prime is 432774319. The next prime is 432774359. The reversal of 432774321 is 123477234.

It is not a de Polignac number, because 432774321 - 2¹ = 432774319 is a prime.

It is a super-2 number, since 2×432774321² = 374587225834022082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (432774361) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2591380 + ... + 2591546.

It is an arithmetic number, because the mean of its divisors is an integer number (10126088).

Almost surely, 2^432774321 is an apocalyptic number.

It is an amenable number.

432774321 is a deficient number, since it is larger than the sum of its proper divisors (296304015).

432774321 is a wasteful number, since it uses less digits than its factorization.

432774321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 255 counting only the distinct ones).

The product of its digits is 28224, while the sum is 33.

The square root of 432774321 is about 20803.2286196158. The cubic root of 432774321 is about 756.4040193005.

The spelling of 432774321 in words is "four hundred thirty-two million, seven hundred seventy-four thousand, three hundred twenty-one".