461668572 has 30 divisors (see below), whose sum is σ = 1206893688. Its totient is φ = 153889416.

The previous prime is 461668561. The next prime is 461668577. The reversal of 461668572 is 275866164.

461668572 is a `hidden beast` number, since 4 + 6 + 16 + 68 + 572 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461668577) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 712128 + ... + 712775.

Almost surely, 2^461668572 is an apocalyptic number.

It is an amenable number.

461668572 is an abundant number, since it is smaller than the sum of its proper divisors (745225116).

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

461668572 is a wasteful number, since it uses less digits than its factorization.

461668572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424919 (or 1424908 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 461668572 is about 21486.4741639944. The cubic root of 461668572 is about 772.8765023027.

The spelling of 461668572 in words is "four hundred sixty-one million, six hundred sixty-eight thousand, five hundred seventy-two".