68888070 has 48 divisors (see below), whose sum is σ = 185749200. Its totient is φ = 18369504.

The previous prime is 68888011. The next prime is 68888087. The reversal of 68888070 is 7088886.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11745 + ... + 16604.

It is an arithmetic number, because the mean of its divisors is an integer number (3869775).

Almost surely, 2^68888070 is an apocalyptic number.

68888070 is an abundant number, since it is smaller than the sum of its proper divisors (116861130).

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

68888070 is a wasteful number, since it uses less digits than its factorization.

68888070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28371 (or 28359 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 68888070 is about 8299.8837341254. The cubic root of 68888070 is about 409.9346911640.

The spelling of 68888070 in words is "sixty-eight million, eight hundred eighty-eight thousand, seventy".