68315361 has 4 divisors (see below), whose sum is σ = 91087152. Its totient is φ = 45543572.

The previous prime is 68315353. The next prime is 68315407. The reversal of 68315361 is 16351386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68315361 - 2³ = 68315353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68315311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11385891 + ... + 11385896.

It is an arithmetic number, because the mean of its divisors is an integer number (22771788).

Almost surely, 2^68315361 is an apocalyptic number.

It is an amenable number.

68315361 is a deficient number, since it is larger than the sum of its proper divisors (22771791).

68315361 is a wasteful number, since it uses less digits than its factorization.

68315361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22771790.

The product of its digits is 12960, while the sum is 33.

The square root of 68315361 is about 8265.3107019640. The cubic root of 68315361 is about 408.7955151366.

The spelling of 68315361 in words is "sixty-eight million, three hundred fifteen thousand, three hundred sixty-one".