68735313 has 24 divisors (see below), whose sum is σ = 101312640. Its totient is φ = 44896320.

The previous prime is 68735309. The next prime is 68735353. The reversal of 68735313 is 31353786.

It is not a de Polignac number, because 68735313 - 2² = 68735309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68735353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167853 + ... + 168261.

It is an arithmetic number, because the mean of its divisors is an integer number (4221360).

Almost surely, 2^68735313 is an apocalyptic number.

It is an amenable number.

68735313 is a deficient number, since it is larger than the sum of its proper divisors (32577327).

68735313 is a wasteful number, since it uses less digits than its factorization.

68735313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 746 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 68735313 is about 8290.6762691592. The cubic root of 68735313 is about 409.6314614131.

The spelling of 68735313 in words is "sixty-eight million, seven hundred thirty-five thousand, three hundred thirteen".