427824172 has 12 divisors (see below), whose sum is σ = 749548296. Its totient is φ = 213667520.

The previous prime is 427824161. The next prime is 427824179. The reversal of 427824172 is 271428724.

It is not an unprimeable number, because it can be changed into a prime (427824179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57178 + ... + 64225.

It is an arithmetic number, because the mean of its divisors is an integer number (62462358).

Almost surely, 2^427824172 is an apocalyptic number.

It is an amenable number.

427824172 is a deficient number, since it is larger than the sum of its proper divisors (321724124).

427824172 is a wasteful number, since it uses less digits than its factorization.

427824172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122288 (or 122286 counting only the distinct ones).

The product of its digits is 50176, while the sum is 37.

The square root of 427824172 is about 20683.9109454668. The cubic root of 427824172 is about 753.5089922864.

The spelling of 427824172 in words is "four hundred twenty-seven million, eight hundred twenty-four thousand, one hundred seventy-two".