474699990 has 64 divisors (see below), whose sum is σ = 1251417600. Its totient is φ = 114706944.

The previous prime is 474699989. The next prime is 474700003. The reversal of 474699990 is 99996474.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 474699990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4995 + ... + 31214.

It is an arithmetic number, because the mean of its divisors is an integer number (19553400).

Almost surely, 2^474699990 is an apocalyptic number.

474699990 is an abundant number, since it is smaller than the sum of its proper divisors (776717610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

474699990 is a wasteful number, since it uses less digits than its factorization.

474699990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36261.

The product of its (nonzero) digits is 4408992, while the sum is 57.

The square root of 474699990 is about 21787.6109291496. The cubic root of 474699990 is about 780.0810730983.

The spelling of 474699990 in words is "four hundred seventy-four million, six hundred ninety-nine thousand, nine hundred ninety".