474619866 has 64 divisors (see below), whose sum is σ = 1105609728. Its totient is φ = 133031808.

The previous prime is 474619861. The next prime is 474619883. The reversal of 474619866 is 668916474.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (474619861) 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, 867405 + ... + 867951.

It is an arithmetic number, because the mean of its divisors is an integer number (17275152).

Almost surely, 2^474619866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474619866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552804864).

474619866 is an abundant number, since it is smaller than the sum of its proper divisors (630989862).

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

474619866 is a wasteful number, since it uses less digits than its factorization.

474619866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915.

The product of its digits is 1741824, while the sum is 51.

The square root of 474619866 is about 21785.7721001575. The cubic root of 474619866 is about 780.0371810021.

The spelling of 474619866 in words is "four hundred seventy-four million, six hundred nineteen thousand, eight hundred sixty-six".