481764731 has 4 divisors (see below), whose sum is σ = 550588272. Its totient is φ = 412941192.

The previous prime is 481764697. The next prime is 481764757. The reversal of 481764731 is 137467184.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481764731 is a prime.

It is a super-2 number, since 2×481764731² = 464194512071004722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481764761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34411760 + ... + 34411773.

It is an arithmetic number, because the mean of its divisors is an integer number (137647068).

Almost surely, 2^481764731 is an apocalyptic number.

481764731 is a deficient number, since it is larger than the sum of its proper divisors (68823541).

481764731 is an equidigital number, since it uses as much as digits as its factorization.

481764731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68823540.

The product of its digits is 112896, while the sum is 41.

The square root of 481764731 is about 21949.1396414529. The cubic root of 481764731 is about 783.9318947460.

The spelling of 481764731 in words is "four hundred eighty-one million, seven hundred sixty-four thousand, seven hundred thirty-one".