68719573 has 16 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 62185536.

The previous prime is 68719549. The next prime is 68719583. The reversal of 68719573 is 37591786.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68719573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68719513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176463 + ... + 176851.

It is an arithmetic number, because the mean of its divisors is an integer number (4717440).

Almost surely, 2^68719573 is an apocalyptic number.

It is an amenable number.

68719573 is a deficient number, since it is larger than the sum of its proper divisors (6759467).

68719573 is a wasteful number, since it uses less digits than its factorization.

68719573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its digits is 317520, while the sum is 46.

The square root of 68719573 is about 8289.7269556964. The cubic root of 68719573 is about 409.6001912593.

The spelling of 68719573 in words is "sixty-eight million, seven hundred nineteen thousand, five hundred seventy-three".