67315349 has 2 divisors, whose sum is σ = 67315350. Its totient is φ = 67315348.

The previous prime is 67315333. The next prime is 67315357. The reversal of 67315349 is 94351376.

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., 33849124 + 33466225 = 5818^2 + 5785^2 .

It is a cyclic number.

It is not a de Polignac number, because 67315349 - 2⁴ = 67315333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67315249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33657674 + 33657675.

It is an arithmetic number, because the mean of its divisors is an integer number (33657675).

Almost surely, 2^67315349 is an apocalyptic number.

It is an amenable number.

67315349 is a deficient number, since it is larger than the sum of its proper divisors (1).

67315349 is an equidigital number, since it uses as much as digits as its factorization.

67315349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 67315349 is about 8204.5931648071. The cubic root of 67315349 is about 406.7910294048.

The spelling of 67315349 in words is "sixty-seven million, three hundred fifteen thousand, three hundred forty-nine".