68173344 has 36 divisors (see below), whose sum is σ = 193868766. Its totient is φ = 22724352.

The previous prime is 68173333. The next prime is 68173367. The reversal of 68173344 is 44337186.

It can be written as a sum of positive squares in only one way, i.e., 52012944 + 16160400 = 7212^2 + 4020^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 68173299 and 68173308.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118069 + ... + 118644.

Almost surely, 2^68173344 is an apocalyptic number.

It is an amenable number.

68173344 is an abundant number, since it is smaller than the sum of its proper divisors (125695422).

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

68173344 is a wasteful number, since it uses less digits than its factorization.

68173344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236729 (or 236718 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 68173344 is about 8256.7150853109. The cubic root of 68173344 is about 408.5120445375.

The spelling of 68173344 in words is "sixty-eight million, one hundred seventy-three thousand, three hundred forty-four".