68822481 has 32 divisors (see below), whose sum is σ = 116847360. Its totient is φ = 35046144.

The previous prime is 68822473. The next prime is 68822519. The reversal of 68822481 is 18422886.

It is not a de Polignac number, because 68822481 - 2³ = 68822473 is a prime.

It is a super-2 number, since 2×68822481² = 9473067781990722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68822401) 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 31 ways as a sum of consecutive naturals, for example, 3571 + ... + 12263.

It is an arithmetic number, because the mean of its divisors is an integer number (3651480).

Almost surely, 2^68822481 is an apocalyptic number.

It is an amenable number.

68822481 is a deficient number, since it is larger than the sum of its proper divisors (48024879).

68822481 is a wasteful number, since it uses less digits than its factorization.

68822481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8745.

The product of its digits is 49152, while the sum is 39.

The square root of 68822481 is about 8295.9315932570. The cubic root of 68822481 is about 409.8045489195.

The spelling of 68822481 in words is "sixty-eight million, eight hundred twenty-two thousand, four hundred eighty-one".