68975339 has 4 divisors (see below), whose sum is σ = 72605640. Its totient is φ = 65345040.

The previous prime is 68975327. The next prime is 68975359. The reversal of 68975339 is 93357986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93357986 = 2 ⋅46678993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68975339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68975359) 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, 1815122 + ... + 1815159.

It is an arithmetic number, because the mean of its divisors is an integer number (18151410).

Almost surely, 2^68975339 is an apocalyptic number.

68975339 is a deficient number, since it is larger than the sum of its proper divisors (3630301).

68975339 is a wasteful number, since it uses less digits than its factorization.

68975339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630300.

The product of its digits is 1224720, while the sum is 50.

The square root of 68975339 is about 8305.1393124980. The cubic root of 68975339 is about 410.1077230330.

The spelling of 68975339 in words is "sixty-eight million, nine hundred seventy-five thousand, three hundred thirty-nine".