68910583 has 16 divisors (see below), whose sum is σ = 82301760. Its totient is φ = 56448000.

The previous prime is 68910577. The next prime is 68910619. The reversal of 68910583 is 38501986.

It is a happy number.

It is not a de Polignac number, because 68910583 - 2¹⁷ = 68779511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68913583) 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, 18823 + ... + 22183.

It is an arithmetic number, because the mean of its divisors is an integer number (5143860).

Almost surely, 2^68910583 is an apocalyptic number.

68910583 is a deficient number, since it is larger than the sum of its proper divisors (13391177).

68910583 is a wasteful number, since it uses less digits than its factorization.

68910583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 68910583 is about 8301.2398471554. The cubic root of 68910583 is about 409.9793426039.

The spelling of 68910583 in words is "sixty-eight million, nine hundred ten thousand, five hundred eighty-three".