68375144 has 32 divisors (see below), whose sum is σ = 131241600. Its totient is φ = 33385920.

The previous prime is 68375143. The next prime is 68375147. The reversal of 68375144 is 44157386.

It is a junction number, because it is equal to n+sod(n) for n = 68375098 and 68375107.

It is not an unprimeable number, because it can be changed into a prime (68375143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81077 + ... + 81915.

It is an arithmetic number, because the mean of its divisors is an integer number (4101300).

Almost surely, 2^68375144 is an apocalyptic number.

It is an amenable number.

68375144 is a deficient number, since it is larger than the sum of its proper divisors (62866456).

68375144 is a wasteful number, since it uses less digits than its factorization.

68375144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1069 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 68375144 is about 8268.9264115724. The cubic root of 68375144 is about 408.9147264750.

The spelling of 68375144 in words is "sixty-eight million, three hundred seventy-five thousand, one hundred forty-four".