68103612 has 24 divisors (see below), whose sum is σ = 176565200. Its totient is φ = 22701168.

The previous prime is 68103599. The next prime is 68103613. The reversal of 68103612 is 21630186.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68103613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315187 + ... + 315402.

Almost surely, 2^68103612 is an apocalyptic number.

It is an amenable number.

68103612 is an abundant number, since it is smaller than the sum of its proper divisors (108461588).

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

68103612 is a wasteful number, since it uses less digits than its factorization.

68103612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630602 (or 630594 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 68103612 is about 8252.4912602195. The cubic root of 68103612 is about 408.3727130516.

Adding to 68103612 its reverse (21630186), we get a palindrome (89733798).

The spelling of 68103612 in words is "sixty-eight million, one hundred three thousand, six hundred twelve".