68892713 has 4 divisors (see below), whose sum is σ = 68918928. Its totient is φ = 68866500.

The previous prime is 68892667. The next prime is 68892731. The reversal of 68892713 is 31729886.

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 68892713 - 2²² = 64698409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68892743) 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 in 3 ways as a sum of consecutive naturals, for example, 8663 + ... + 14588.

It is an arithmetic number, because the mean of its divisors is an integer number (17229732).

Almost surely, 2^68892713 is an apocalyptic number.

It is an amenable number.

68892713 is a deficient number, since it is larger than the sum of its proper divisors (26215).

68892713 is a wasteful number, since it uses less digits than its factorization.

68892713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26214.

The product of its digits is 145152, while the sum is 44.

The square root of 68892713 is about 8300.1634321259. The cubic root of 68892713 is about 409.9439007123.

The spelling of 68892713 in words is "sixty-eight million, eight hundred ninety-two thousand, seven hundred thirteen".