68175216 has 40 divisors (see below), whose sum is σ = 195689360. Its totient is φ = 22724928.

The previous prime is 68175203. The next prime is 68175221. The reversal of 68175216 is 61257186.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78475 + ... + 79338.

It is an arithmetic number, because the mean of its divisors is an integer number (4892234).

Almost surely, 2^68175216 is an apocalyptic number.

It is an amenable number.

68175216 is an abundant number, since it is smaller than the sum of its proper divisors (127514144).

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

68175216 is a wasteful number, since it uses less digits than its factorization.

68175216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157830 (or 157818 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 68175216 is about 8256.8284468069. The cubic root of 68175216 is about 408.5157836702.

The spelling of 68175216 in words is "sixty-eight million, one hundred seventy-five thousand, two hundred sixteen".