475467391 has 4 divisors (see below), whose sum is σ = 543391312. Its totient is φ = 407543472.

The previous prime is 475467389. The next prime is 475467397. The reversal of 475467391 is 193764574.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 475467391 - 2¹ = 475467389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475467397) 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, 33961950 + ... + 33961963.

It is an arithmetic number, because the mean of its divisors is an integer number (135847828).

Almost surely, 2^475467391 is an apocalyptic number.

475467391 is a deficient number, since it is larger than the sum of its proper divisors (67923921).

475467391 is an equidigital number, since it uses as much as digits as its factorization.

475467391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67923920.

The product of its digits is 635040, while the sum is 46.

The square root of 475467391 is about 21805.2147661976. The cubic root of 475467391 is about 780.5012070164.

The spelling of 475467391 in words is "four hundred seventy-five million, four hundred sixty-seven thousand, three hundred ninety-one".