67315357 has 2 divisors, whose sum is σ = 67315358. Its totient is φ = 67315356.

The previous prime is 67315349. The next prime is 67315363. The reversal of 67315357 is 75351376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61293241 + 6022116 = 7829^2 + 2454^2 .

It is a cyclic number.

It is not a de Polignac number, because 67315357 - 2³ = 67315349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67315387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33657678 + 33657679.

It is an arithmetic number, because the mean of its divisors is an integer number (33657679).

Almost surely, 2^67315357 is an apocalyptic number.

It is an amenable number.

67315357 is a deficient number, since it is larger than the sum of its proper divisors (1).

67315357 is an equidigital number, since it uses as much as digits as its factorization.

67315357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66150, while the sum is 37.

The square root of 67315357 is about 8204.5936523389. The cubic root of 67315357 is about 406.7910455196.

The spelling of 67315357 in words is "sixty-seven million, three hundred fifteen thousand, three hundred fifty-seven".