68247108 has 18 divisors (see below), whose sum is σ = 172513614. Its totient is φ = 22749024.

The previous prime is 68247097. The next prime is 68247119. The reversal of 68247108 is 80174286.

It is an interprime number because it is at equal distance from previous prime (68247097) and next prime (68247119).

It can be written as a sum of positive squares in only one way, i.e., 39538944 + 28708164 = 6288^2 + 5358^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1895753 = 68247108 / (6 + 8 + 2 + 4 + 7 + 1 + 0 + 8).

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, 947841 + ... + 947912.

Almost surely, 2^68247108 is an apocalyptic number.

It is an amenable number.

68247108 is an abundant number, since it is smaller than the sum of its proper divisors (104266506).

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

68247108 is a wasteful number, since it uses less digits than its factorization.

68247108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895763 (or 1895758 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 68247108 is about 8261.1807872725. The cubic root of 68247108 is about 408.6593289892.

The spelling of 68247108 in words is "sixty-eight million, two hundred forty-seven thousand, one hundred eight".