68802081 has 12 divisors (see below), whose sum is σ = 92478672. Its totient is φ = 45499704.

The previous prime is 68802079. The next prime is 68802089. The reversal of 68802081 is 18020886.

It is not a de Polignac number, because 68802081 - 2¹ = 68802079 is a prime.

It is a super-2 number, since 2×68802081² = 9467452699861122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68802089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57370 + ... + 58556.

It is an arithmetic number, because the mean of its divisors is an integer number (7706556).

Almost surely, 2^68802081 is an apocalyptic number.

It is an amenable number.

68802081 is a deficient number, since it is larger than the sum of its proper divisors (23676591).

68802081 is a wasteful number, since it uses less digits than its factorization.

68802081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 68802081 is about 8294.7019837966. The cubic root of 68802081 is about 409.7640542108.

The spelling of 68802081 in words is "sixty-eight million, eight hundred two thousand, eighty-one".