476721672 has 32 divisors (see below), whose sum is σ = 1362062400. Its totient is φ = 136206144.

The previous prime is 476721659. The next prime is 476721673. The reversal of 476721672 is 276127674.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (476721673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418647 + ... + 1418982.

It is an arithmetic number, because the mean of its divisors is an integer number (42564450).

Almost surely, 2^476721672 is an apocalyptic number.

476721672 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

476721672 is an abundant number, since it is smaller than the sum of its proper divisors (885340728).

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

476721672 is a wasteful number, since it uses less digits than its factorization.

476721672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837645 (or 2837641 counting only the distinct ones).

The product of its digits is 197568, while the sum is 42.

The square root of 476721672 is about 21833.9568562366. The cubic root of 476721672 is about 781.1869240425.

The spelling of 476721672 in words is "four hundred seventy-six million, seven hundred twenty-one thousand, six hundred seventy-two".