475772427 has 32 divisors (see below), whose sum is σ = 770434560. Its totient is φ = 288398880.

The previous prime is 475772419. The next prime is 475772431. The reversal of 475772427 is 724277574.

It is not a de Polignac number, because 475772427 - 2³ = 475772419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (475772527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13402 + ... + 33632.

It is an arithmetic number, because the mean of its divisors is an integer number (24076080).

Almost surely, 2^475772427 is an apocalyptic number.

475772427 is a deficient number, since it is larger than the sum of its proper divisors (294662133).

475772427 is a wasteful number, since it uses less digits than its factorization.

475772427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20320 (or 20314 counting only the distinct ones).

The product of its digits is 768320, while the sum is 45.

The square root of 475772427 is about 21812.2082100827. The cubic root of 475772427 is about 780.6680814612.

The spelling of 475772427 in words is "four hundred seventy-five million, seven hundred seventy-two thousand, four hundred twenty-seven".