68442275 has 24 divisors (see below), whose sum is σ = 97464000. Its totient is φ = 47152800.

The previous prime is 68442271. The next prime is 68442277. The reversal of 68442275 is 57224486.

It is not a de Polignac number, because 68442275 - 2² = 68442271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68442271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1325 + ... + 11774.

It is an arithmetic number, because the mean of its divisors is an integer number (4061000).

Almost surely, 2^68442275 is an apocalyptic number.

68442275 is a deficient number, since it is larger than the sum of its proper divisors (29021725).

68442275 is a wasteful number, since it uses less digits than its factorization.

68442275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13139 (or 13134 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 68442275 is about 8272.9846488435. The cubic root of 68442275 is about 409.0485074272.

It can be divided in two parts, 6844 and 2275, that added together give a palindrome (9119).

The spelling of 68442275 in words is "sixty-eight million, four hundred forty-two thousand, two hundred seventy-five".