68195912 has 8 divisors (see below), whose sum is σ = 127867350. Its totient is φ = 34097952.

The previous prime is 68195887. The next prime is 68195927. The reversal of 68195912 is 21959186.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67338436 + 857476 = 8206^2 + 926^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 68195912.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4262237 + ... + 4262252.

Almost surely, 2^68195912 is an apocalyptic number.

It is an amenable number.

68195912 is a deficient number, since it is larger than the sum of its proper divisors (59671438).

68195912 is a wasteful number, since it uses less digits than its factorization.

68195912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8524495 (or 8524491 counting only the distinct ones).

The product of its digits is 38880, while the sum is 41.

The square root of 68195912 is about 8258.0816174218. The cubic root of 68195912 is about 408.5571172993.

It can be divided in two parts, 6 and 8195912, that added together give a palindrome (8195918).

The spelling of 68195912 in words is "sixty-eight million, one hundred ninety-five thousand, nine hundred twelve".