68278872 has 16 divisors (see below), whose sum is σ = 170697240. Its totient is φ = 22759616.

The previous prime is 68278849. The next prime is 68278877. The reversal of 68278872 is 27887286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68278877) 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 3 ways as a sum of consecutive naturals, for example, 1422453 + ... + 1422500.

Almost surely, 2^68278872 is an apocalyptic number.

It is an amenable number.

68278872 is an abundant number, since it is smaller than the sum of its proper divisors (102418368).

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

68278872 is a wasteful number, since it uses less digits than its factorization.

68278872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844962 (or 2844958 counting only the distinct ones).

The product of its digits is 602112, while the sum is 48.

The square root of 68278872 is about 8263.1030490972. The cubic root of 68278872 is about 408.7227194242.

The spelling of 68278872 in words is "sixty-eight million, two hundred seventy-eight thousand, eight hundred seventy-two".