731644074350344 has 16 divisors (see below), whose sum is σ = 1371832928521020. Its totient is φ = 365821960078080.

The previous prime is 731644074350243. The next prime is 731644074350359. The reversal of 731644074350344 is 443053470446137.

It can be written as a sum of positive squares in 2 ways, for example, as 731527767432900 + 116306917444 = 27046770^2 + 341038^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62153532 + ... + 72981844.

Almost surely, 2^{731644074350344} is an apocalyptic number.

It is an amenable number.

731644074350344 is a deficient number, since it is larger than the sum of its proper divisors (640188854170676).

731644074350344 is a wasteful number, since it uses less digits than its factorization.

731644074350344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19274280 (or 19274276 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 55.

The spelling of 731644074350344 in words is "seven hundred thirty-one trillion, six hundred forty-four billion, seventy-four million, three hundred fifty thousand, three hundred forty-four".