70806768 has 80 divisors (see below), whose sum is σ = 203915520. Its totient is φ = 21040128.

The previous prime is 70806763. The next prime is 70806773. The reversal of 70806768 is 86760807.

It is an interprime number because it is at equal distance from previous prime (70806763) and next prime (70806773).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70806761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13221 + ... + 17787.

It is an arithmetic number, because the mean of its divisors is an integer number (2548944).

Almost surely, 2^70806768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70806768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101957760).

70806768 is an abundant number, since it is smaller than the sum of its proper divisors (133108752).

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

70806768 is a wasteful number, since it uses less digits than its factorization.

70806768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614 (or 4608 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 70806768 is about 8414.6757513287. The cubic root of 70806768 is about 413.7057817618.

The spelling of 70806768 in words is "seventy million, eight hundred six thousand, seven hundred sixty-eight".