731041768 has 16 divisors (see below), whose sum is σ = 1371870180. Its totient is φ = 365209728.

The previous prime is 731041723. The next prime is 731041781. The reversal of 731041768 is 867140137.

It can be written as a sum of positive squares in 2 ways, for example, as 683404164 + 47637604 = 26142^2 + 6902^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28755 + ... + 47842.

Almost surely, 2^731041768 is an apocalyptic number.

It is an amenable number.

731041768 is a deficient number, since it is larger than the sum of its proper divisors (640828412).

731041768 is a wasteful number, since it uses less digits than its factorization.

731041768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77796 (or 77792 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 731041768 is about 27037.7840808007. The cubic root of 731041768 is about 900.8394505268.

The spelling of 731041768 in words is "seven hundred thirty-one million, forty-one thousand, seven hundred sixty-eight".