68176836 has 144 divisors (see below), whose sum is σ = 221652480. Its totient is φ = 17962560.

The previous prime is 68176831. The next prime is 68176841. The reversal of 68176836 is 63867186.

It is an interprime number because it is at equal distance from previous prime (68176831) and next prime (68176841).

It is a junction number, because it is equal to n+sod(n) for n = 68176791 and 68176800.

It is not an unprimeable number, because it can be changed into a prime (68176831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68301 + ... + 69291.

Almost surely, 2^68176836 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 68176836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110826240).

68176836 is an abundant number, since it is smaller than the sum of its proper divisors (153475644).

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

68176836 is a wasteful number, since it uses less digits than its factorization.

68176836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1016 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 68176836 is about 8256.9265468454. The cubic root of 68176836 is about 408.5190194029.

The spelling of 68176836 in words is "sixty-eight million, one hundred seventy-six thousand, eight hundred thirty-six".