68129070 has 64 divisors (see below), whose sum is σ = 169274880. Its totient is φ = 17539200.

The previous prime is 68129069. The next prime is 68129093. The reversal of 68129070 is 7092186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107655 + ... + 108285.

It is an arithmetic number, because the mean of its divisors is an integer number (2644920).

Almost surely, 2^68129070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68129070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84637440).

68129070 is an abundant number, since it is smaller than the sum of its proper divisors (101145810).

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

68129070 is a wasteful number, since it uses less digits than its factorization.

68129070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 68129070 is about 8254.0335594181. The cubic root of 68129070 is about 408.4235916910.

The spelling of 68129070 in words is "sixty-eight million, one hundred twenty-nine thousand, seventy".