474863661 has 48 divisors (see below), whose sum is σ = 749649600. Its totient is φ = 296726976.

The previous prime is 474863659. The next prime is 474863671. The reversal of 474863661 is 166368474.

It is a happy number.

474863661 is a `hidden beast` number, since 4 + 7 + 4 + 8 + 636 + 6 + 1 = 666.

It is not a de Polignac number, because 474863661 - 2¹ = 474863659 is a prime.

Its product of digits (580608) is a multiple of the sum of its prime divisors (512).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474863651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1071706 + ... + 1072148.

It is an arithmetic number, because the mean of its divisors is an integer number (15617700).

Almost surely, 2^474863661 is an apocalyptic number.

It is an amenable number.

474863661 is a deficient number, since it is larger than the sum of its proper divisors (274785939).

474863661 is a wasteful number, since it uses less digits than its factorization.

474863661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 512 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 474863661 is about 21791.3666620522. The cubic root of 474863661 is about 780.1707170706.

The spelling of 474863661 in words is "four hundred seventy-four million, eight hundred sixty-three thousand, six hundred sixty-one".