68075316 has 30 divisors (see below), whose sum is σ = 177963170. Its totient is φ = 22691664.

The previous prime is 68075303. The next prime is 68075323. The reversal of 68075316 is 61357086.

It can be written as a sum of positive squares in only one way, i.e., 66487716 + 1587600 = 8154^2 + 1260^2 .

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 9 ways as a sum of consecutive naturals, for example, 104731 + ... + 105378.

Almost surely, 2^68075316 is an apocalyptic number.

It is an amenable number.

68075316 is an abundant number, since it is smaller than the sum of its proper divisors (109887854).

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

68075316 is a wasteful number, since it uses less digits than its factorization.

68075316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210125 (or 210114 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 68075316 is about 8250.7766907122. The cubic root of 68075316 is about 408.3161476964.

68075316 divided by its sum of digits (36) gives a palindrome (1890981).

The spelling of 68075316 in words is "sixty-eight million, seventy-five thousand, three hundred sixteen".