461264721 has 8 divisors (see below), whose sum is σ = 628105344. Its totient is φ = 300966960.

The previous prime is 461264693. The next prime is 461264731. The reversal of 461264721 is 127462164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 461264721 - 2¹⁰ = 461263697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461264731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635550 + ... + 1635831.

It is an arithmetic number, because the mean of its divisors is an integer number (78513168).

Almost surely, 2^461264721 is an apocalyptic number.

It is an amenable number.

461264721 is a deficient number, since it is larger than the sum of its proper divisors (166840623).

461264721 is a wasteful number, since it uses less digits than its factorization.

461264721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271431.

The product of its digits is 16128, while the sum is 33.

The square root of 461264721 is about 21477.0743119262. The cubic root of 461264721 is about 772.6510750705.

The spelling of 461264721 in words is "four hundred sixty-one million, two hundred sixty-four thousand, seven hundred twenty-one".