731040244 has 12 divisors (see below), whose sum is σ = 1395622368. Its totient is φ = 332291000.

The previous prime is 731040241. The next prime is 731040253. The reversal of 731040244 is 442040137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731040241) 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, 8307232 + ... + 8307319.

It is an arithmetic number, because the mean of its divisors is an integer number (116301864).

Almost surely, 2^731040244 is an apocalyptic number.

It is an amenable number.

731040244 is a deficient number, since it is larger than the sum of its proper divisors (664582124).

731040244 is a wasteful number, since it uses less digits than its factorization.

731040244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16614566 (or 16614564 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 731040244 is about 27037.7558980031. The cubic root of 731040244 is about 900.8388245341.

The spelling of 731040244 in words is "seven hundred thirty-one million, forty thousand, two hundred forty-four".