68813286 has 16 divisors (see below), whose sum is σ = 143610624. Its totient is φ = 21940424.

The previous prime is 68813279. The next prime is 68813321. The reversal of 68813286 is 68231886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249186 + ... + 249461.

It is an arithmetic number, because the mean of its divisors is an integer number (8975664).

Almost surely, 2^68813286 is an apocalyptic number.

68813286 is an abundant number, since it is smaller than the sum of its proper divisors (74797338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68813286 is a wasteful number, since it uses less digits than its factorization.

68813286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498675.

The product of its digits is 110592, while the sum is 42.

The square root of 68813286 is about 8295.3773874369. The cubic root of 68813286 is about 409.7862975158.

The spelling of 68813286 in words is "sixty-eight million, eight hundred thirteen thousand, two hundred eighty-six".