431972372 has 24 divisors (see below), whose sum is σ = 856951200. Its totient is φ = 188878176.

The previous prime is 431972327. The next prime is 431972377. The reversal of 431972372 is 273279134.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431972377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217622 + ... + 219597.

It is an arithmetic number, because the mean of its divisors is an integer number (35706300).

Almost surely, 2^431972372 is an apocalyptic number.

It is an amenable number.

431972372 is a deficient number, since it is larger than the sum of its proper divisors (424978828).

431972372 is a wasteful number, since it uses less digits than its factorization.

431972372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437255 (or 437253 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 431972372 is about 20783.9450538150. The cubic root of 431972372 is about 755.9365142699.

The spelling of 431972372 in words is "four hundred thirty-one million, nine hundred seventy-two thousand, three hundred seventy-two".