746561317 has 2 divisors, whose sum is σ = 746561318. Its totient is φ = 746561316.

The previous prime is 746561303. The next prime is 746561323. The reversal of 746561317 is 713165647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506745121 + 239816196 = 22511^2 + 15486^2 .

It is a cyclic number.

It is not a de Polignac number, because 746561317 - 2¹¹ = 746559269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 746561317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746561917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373280658 + 373280659.

It is an arithmetic number, because the mean of its divisors is an integer number (373280659).

Almost surely, 2^746561317 is an apocalyptic number.

It is an amenable number.

746561317 is a deficient number, since it is larger than the sum of its proper divisors (1).

746561317 is an equidigital number, since it uses as much as digits as its factorization.

746561317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 746561317 is about 27323.2742730442. The cubic root of 746561317 is about 907.1696129276.

The spelling of 746561317 in words is "seven hundred forty-six million, five hundred sixty-one thousand, three hundred seventeen".