476740866 has 64 divisors (see below), whose sum is σ = 1121734656. Its totient is φ = 132240000.

The previous prime is 476740829. The next prime is 476740867. The reversal of 476740866 is 668047674.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (476740867) 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, 431671 + ... + 432773.

It is an arithmetic number, because the mean of its divisors is an integer number (17527104).

Almost surely, 2^476740866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 476740866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560867328).

476740866 is an abundant number, since it is smaller than the sum of its proper divisors (644993790).

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

476740866 is a wasteful number, since it uses less digits than its factorization.

476740866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 476740866 is about 21834.3963965116. The cubic root of 476740866 is about 781.1974080778.

The spelling of 476740866 in words is "four hundred seventy-six million, seven hundred forty thousand, eight hundred sixty-six".