70868070 has 192 divisors, whose sum is σ = 240589440. Its totient is φ = 14045184.

The previous prime is 70868059. The next prime is 70868071. The reversal of 70868070 is 7086807.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70868071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 138976 + ... + 139484.

It is an arithmetic number, because the mean of its divisors is an integer number (1253070).

Almost surely, 2^70868070 is an apocalyptic number.

70868070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70868070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120294720).

70868070 is an abundant number, since it is smaller than the sum of its proper divisors (169721370).

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

70868070 is a wasteful number, since it uses less digits than its factorization.

70868070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 70868070 is about 8418.3175278674. The cubic root of 70868070 is about 413.8251379438.

The spelling of 70868070 in words is "seventy million, eight hundred sixty-eight thousand, seventy".