731324473 has 8 divisors (see below), whose sum is σ = 798004800. Its totient is φ = 664676880.

The previous prime is 731324471. The next prime is 731324483. The reversal of 731324473 is 374423137.

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

It is a cyclic number.

It is not a de Polignac number, because 731324473 - 2¹ = 731324471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731324471) 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, 78636 + ... + 87442.

It is an arithmetic number, because the mean of its divisors is an integer number (99750600).

Almost surely, 2^731324473 is an apocalyptic number.

It is an amenable number.

731324473 is a deficient number, since it is larger than the sum of its proper divisors (66680327).

731324473 is a wasteful number, since it uses less digits than its factorization.

731324473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16367.

The product of its digits is 42336, while the sum is 34.

The square root of 731324473 is about 27043.0115371791. The cubic root of 731324473 is about 900.9555583456.

Subtracting from 731324473 its product of digits (42336), we obtain a palindrome (731282137).

The spelling of 731324473 in words is "seven hundred thirty-one million, three hundred twenty-four thousand, four hundred seventy-three".