68916573 has 24 divisors (see below), whose sum is σ = 111128160. Its totient is φ = 40793760.

The previous prime is 68916541. The next prime is 68916583. The reversal of 68916573 is 37561986.

It is a happy number.

68916573 is a `hidden beast` number, since 68 + 9 + 16 + 573 = 666.

It is not a de Polignac number, because 68916573 - 2⁵ = 68916541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68916583) 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, 3838 + ... + 12351.

It is an arithmetic number, because the mean of its divisors is an integer number (4630340).

Almost surely, 2^68916573 is an apocalyptic number.

It is an amenable number.

68916573 is a deficient number, since it is larger than the sum of its proper divisors (42211587).

68916573 is a wasteful number, since it uses less digits than its factorization.

68916573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16249 (or 16246 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 68916573 is about 8301.6006287944. The cubic root of 68916573 is about 409.9912213072.

The spelling of 68916573 in words is "sixty-eight million, nine hundred sixteen thousand, five hundred seventy-three".