742973317 has 2 divisors, whose sum is σ = 742973318. Its totient is φ = 742973316.

The previous prime is 742973291. The next prime is 742973333. The reversal of 742973317 is 713379247.

742973317 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., 579798241 + 163175076 = 24079^2 + 12774^2 .

It is a cyclic number.

It is not a de Polignac number, because 742973317 - 2²³ = 734584709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742973377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371486658 + 371486659.

It is an arithmetic number, because the mean of its divisors is an integer number (371486659).

Almost surely, 2^742973317 is an apocalyptic number.

It is an amenable number.

742973317 is a deficient number, since it is larger than the sum of its proper divisors (1).

742973317 is an equidigital number, since it uses as much as digits as its factorization.

742973317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 43.

The square root of 742973317 is about 27257.5368843188. The cubic root of 742973317 is about 905.7139821166.

The spelling of 742973317 in words is "seven hundred forty-two million, nine hundred seventy-three thousand, three hundred seventeen".