68210612 has 6 divisors (see below), whose sum is σ = 119368578. Its totient is φ = 34105304.

The previous prime is 68210609. The next prime is 68210621. The reversal of 68210612 is 21601286.

It can be written as a sum of positive squares in only one way, i.e., 36917776 + 31292836 = 6076^2 + 5594^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8526323 + ... + 8526330.

It is an arithmetic number, because the mean of its divisors is an integer number (19894763).

Almost surely, 2^68210612 is an apocalyptic number.

It is an amenable number.

68210612 is a deficient number, since it is larger than the sum of its proper divisors (51157966).

68210612 is a wasteful number, since it uses less digits than its factorization.

68210612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17052657 (or 17052655 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 68210612 is about 8258.9716066832. The cubic root of 68210612 is about 408.5864707604.

Adding to 68210612 its reverse (21601286), we get a palindrome (89811898).

The spelling of 68210612 in words is "sixty-eight million, two hundred ten thousand, six hundred twelve".