731670744 has 96 divisors (see below), whose sum is σ = 2133546480. Its totient is φ = 208486656.

The previous prime is 731670689. The next prime is 731670781. The reversal of 731670744 is 447076137.

731670744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654474 + ... + 655590.

Almost surely, 2^731670744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731670744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066773240).

731670744 is an abundant number, since it is smaller than the sum of its proper divisors (1401875736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

731670744 is a wasteful number, since it uses less digits than its factorization.

731670744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 731670744 is about 27049.4130065700. The cubic root of 731670744 is about 901.0977321540.

The spelling of 731670744 in words is "seven hundred thirty-one million, six hundred seventy thousand, seven hundred forty-four".