68822136 has 40 divisors (see below), whose sum is σ = 192767520. Its totient is φ = 22940496.

The previous prime is 68822119. The next prime is 68822153. The reversal of 68822136 is 63122886.

It is an interprime number because it is at equal distance from previous prime (68822119) and next prime (68822153).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 68822136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52456 + ... + 53751.

It is an arithmetic number, because the mean of its divisors is an integer number (4819188).

Almost surely, 2^68822136 is an apocalyptic number.

It is an amenable number.

68822136 is an abundant number, since it is smaller than the sum of its proper divisors (123945384).

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

68822136 is a wasteful number, since it uses less digits than its factorization.

68822136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106225 (or 106212 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 68822136 is about 8295.9107999062. The cubic root of 68822136 is about 409.8038641490.

The spelling of 68822136 in words is "sixty-eight million, eight hundred twenty-two thousand, one hundred thirty-six".