68663070 has 96 divisors (see below), whose sum is σ = 206960832. Its totient is φ = 15469056.

The previous prime is 68663059. The next prime is 68663113. The reversal of 68663070 is 7036686.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45244 + ... + 46736.

It is an arithmetic number, because the mean of its divisors is an integer number (2155842).

Almost surely, 2^68663070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68663070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103480416).

68663070 is an abundant number, since it is smaller than the sum of its proper divisors (138297762).

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

68663070 is a wasteful number, since it uses less digits than its factorization.

68663070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 68663070 is about 8286.3182415353. The cubic root of 68663070 is about 409.4878992072.

The spelling of 68663070 in words is "sixty-eight million, six hundred sixty-three thousand, seventy".