731607413 has 2 divisors, whose sum is σ = 731607414. Its totient is φ = 731607412.

The previous prime is 731607379. The next prime is 731607421. The reversal of 731607413 is 314706137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604323889 + 127283524 = 24583^2 + 11282^2 .

It is a cyclic number.

It is not a de Polignac number, because 731607413 - 2¹⁰ = 731606389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 731607413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731607463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365803706 + 365803707.

It is an arithmetic number, because the mean of its divisors is an integer number (365803707).

Almost surely, 2^731607413 is an apocalyptic number.

It is an amenable number.

731607413 is a deficient number, since it is larger than the sum of its proper divisors (1).

731607413 is an equidigital number, since it uses as much as digits as its factorization.

731607413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 731607413 is about 27048.2423273676. The cubic root of 731607413 is about 901.0717327240.

The spelling of 731607413 in words is "seven hundred thirty-one million, six hundred seven thousand, four hundred thirteen".