474279978 has 32 divisors (see below), whose sum is σ = 994737600. Its totient is φ = 150546816.

The previous prime is 474279973. The next prime is 474279989. The reversal of 474279978 is 879972474.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (474279973) 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, 5968 + ... + 31371.

It is an arithmetic number, because the mean of its divisors is an integer number (31085550).

Almost surely, 2^474279978 is an apocalyptic number.

474279978 is an abundant number, since it is smaller than the sum of its proper divisors (520457622).

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

474279978 is a wasteful number, since it uses less digits than its factorization.

474279978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37446.

The product of its digits is 7112448, while the sum is 57.

The square root of 474279978 is about 21777.9700155914. The cubic root of 474279978 is about 779.8509346962.

The spelling of 474279978 in words is "four hundred seventy-four million, two hundred seventy-nine thousand, nine hundred seventy-eight".