731366413 has 2 divisors, whose sum is σ = 731366414. Its totient is φ = 731366412.

The previous prime is 731366329. The next prime is 731366423. The reversal of 731366413 is 314663137.

731366413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 538100809 + 193265604 = 23197^2 + 13902^2 .

It is a cyclic number.

It is not a de Polignac number, because 731366413 - 2²⁵ = 697811981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731366423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365683206 + 365683207.

It is an arithmetic number, because the mean of its divisors is an integer number (365683207).

Almost surely, 2^731366413 is an apocalyptic number.

It is an amenable number.

731366413 is a deficient number, since it is larger than the sum of its proper divisors (1).

731366413 is an equidigital number, since it uses as much as digits as its factorization.

731366413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 34.

The square root of 731366413 is about 27043.7869574511. The cubic root of 731366413 is about 900.9727806845.

The spelling of 731366413 in words is "seven hundred thirty-one million, three hundred sixty-six thousand, four hundred thirteen".