731473323 has 24 divisors (see below), whose sum is σ = 1137450960. Its totient is φ = 416908800.

The previous prime is 731473291. The next prime is 731473339. The reversal of 731473323 is 323374137.

It is not a de Polignac number, because 731473323 - 2⁵ = 731473291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (731473363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52743 + ... + 65151.

It is an arithmetic number, because the mean of its divisors is an integer number (47393790).

Almost surely, 2^731473323 is an apocalyptic number.

731473323 is a deficient number, since it is larger than the sum of its proper divisors (405977637).

731473323 is a wasteful number, since it uses less digits than its factorization.

731473323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12827 (or 12820 counting only the distinct ones).

The product of its digits is 31752, while the sum is 33.

The square root of 731473323 is about 27045.7634944921. The cubic root of 731473323 is about 901.0166794769.

The spelling of 731473323 in words is "seven hundred thirty-one million, four hundred seventy-three thousand, three hundred twenty-three".