731574243 has 12 divisors (see below), whose sum is σ = 1118878488. Its totient is φ = 459026880.

The previous prime is 731574203. The next prime is 731574251. The reversal of 731574243 is 342475137.

It is not a de Polignac number, because 731574243 - 2⁸ = 731573987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 731574198 and 731574207.

It is not an unprimeable number, because it can be changed into a prime (731574203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2390613 + ... + 2390918.

It is an arithmetic number, because the mean of its divisors is an integer number (93239874).

Almost surely, 2^731574243 is an apocalyptic number.

731574243 is a deficient number, since it is larger than the sum of its proper divisors (387304245).

731574243 is a wasteful number, since it uses less digits than its factorization.

731574243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781554 (or 4781551 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 731574243 is about 27047.6291567302. The cubic root of 731574243 is about 901.0581147641.

The spelling of 731574243 in words is "seven hundred thirty-one million, five hundred seventy-four thousand, two hundred forty-three".