68876556 has 72 divisors (see below), whose sum is σ = 191577456. Its totient is φ = 19192320.

The previous prime is 68876543. The next prime is 68876557. The reversal of 68876556 is 65567886.

It is a super-2 number, since 2×68876556² = 9487959932842272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68876499 and 68876508.

It is not an unprimeable number, because it can be changed into a prime (68876557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22680 + ... + 25536.

It is an arithmetic number, because the mean of its divisors is an integer number (2660798).

Almost surely, 2^68876556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68876556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95788728).

68876556 is an abundant number, since it is smaller than the sum of its proper divisors (122700900).

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

68876556 is a wasteful number, since it uses less digits than its factorization.

68876556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919 (or 2910 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The square root of 68876556 is about 8299.1900809657. The cubic root of 68876556 is about 409.9118509682.

The spelling of 68876556 in words is "sixty-eight million, eight hundred seventy-six thousand, five hundred fifty-six".