731456481 has 16 divisors (see below), whose sum is σ = 1117392768. Its totient is φ = 416928000.

The previous prime is 731456459. The next prime is 731456483. The reversal of 731456481 is 184654137.

731456481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 731456481 - 2⁹ = 731455969 is a prime.

It is a super-2 number, since 2×731456481² = 1070057167193806722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (731456483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35010 + ... + 51851.

It is an arithmetic number, because the mean of its divisors is an integer number (69837048).

Almost surely, 2^731456481 is an apocalyptic number.

It is an amenable number.

731456481 is a deficient number, since it is larger than the sum of its proper divisors (385936287).

731456481 is a wasteful number, since it uses less digits than its factorization.

731456481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87272.

The product of its digits is 80640, while the sum is 39.

The square root of 731456481 is about 27045.4521315507. The cubic root of 731456481 is about 901.0097641919.

The spelling of 731456481 in words is "seven hundred thirty-one million, four hundred fifty-six thousand, four hundred eighty-one".