474545990 has 32 divisors (see below), whose sum is σ = 916842240. Its totient is φ = 176200704.

The previous prime is 474545989. The next prime is 474545993. The reversal of 474545990 is 99545474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474545993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6710 + ... + 31529.

It is an arithmetic number, because the mean of its divisors is an integer number (28651320).

Almost surely, 2^474545990 is an apocalyptic number.

474545990 is a deficient number, since it is larger than the sum of its proper divisors (442296250).

474545990 is a wasteful number, since it uses less digits than its factorization.

474545990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38336.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 474545990 is about 21784.0765239199. The cubic root of 474545990 is about 779.9967071963.

The spelling of 474545990 in words is "four hundred seventy-four million, five hundred forty-five thousand, nine hundred ninety".