68874793 has 8 divisors (see below), whose sum is σ = 75982536. Its totient is φ = 62025600.

The previous prime is 68874779. The next prime is 68874821. The reversal of 68874793 is 39747886.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2729104 + 66145689 = 1652^2 + 8133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68874793 - 2²⁵ = 35320361 is a prime.

It is a super-2 number, since 2×68874793² = 9487474221585698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68874793.

It is not an unprimeable number, because it can be changed into a prime (68874493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64078 + ... + 65143.

It is an arithmetic number, because the mean of its divisors is an integer number (9497817).

Almost surely, 2^68874793 is an apocalyptic number.

It is an amenable number.

68874793 is a deficient number, since it is larger than the sum of its proper divisors (7107743).

68874793 is a wasteful number, since it uses less digits than its factorization.

68874793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129275.

The product of its digits is 2032128, while the sum is 52.

The square root of 68874793 is about 8299.0838651022. The cubic root of 68874793 is about 409.9083534997.

The spelling of 68874793 in words is "sixty-eight million, eight hundred seventy-four thousand, seven hundred ninety-three".