68836734 has 48 divisors (see below), whose sum is σ = 157697280. Its totient is φ = 21641040.

The previous prime is 68836711. The next prime is 68836741. The reversal of 68836734 is 43763886.

It is a self number, because there is not a number n which added to its sum of digits gives 68836734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147169 + ... + 147635.

It is an arithmetic number, because the mean of its divisors is an integer number (3285360).

Almost surely, 2^68836734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68836734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78848640).

68836734 is an abundant number, since it is smaller than the sum of its proper divisors (88860546).

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

68836734 is a wasteful number, since it uses less digits than its factorization.

68836734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 922 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 68836734 is about 8296.7905843163. The cubic root of 68836734 is about 409.8328368712.

The spelling of 68836734 in words is "sixty-eight million, eight hundred thirty-six thousand, seven hundred thirty-four".