68844156 has 24 divisors (see below), whose sum is σ = 162900864. Its totient is φ = 22624560.

The previous prime is 68844137. The next prime is 68844179. The reversal of 68844156 is 65144886.

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, 39550 + ... + 41253.

It is an arithmetic number, because the mean of its divisors is an integer number (6787536).

Almost surely, 2^68844156 is an apocalyptic number.

It is an amenable number.

68844156 is an abundant number, since it is smaller than the sum of its proper divisors (94056708).

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

68844156 is a wasteful number, since it uses less digits than its factorization.

68844156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80881 (or 80879 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 68844156 is about 8297.2378536474. The cubic root of 68844156 is about 409.8475657803.

It can be divided in two parts, 688 and 44156, that added together give a palindrome (44844).

The spelling of 68844156 in words is "sixty-eight million, eight hundred forty-four thousand, one hundred fifty-six".