70685568 has 128 divisors (see below), whose sum is σ = 211629600. Its totient is φ = 23224320.

The previous prime is 70685543. The next prime is 70685569. The reversal of 70685568 is 86558607.

70685568 is a `hidden beast` number, since 7 + 0 + 6 + 85 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70685569) 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, 390438 + ... + 390618.

Almost surely, 2^70685568 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 70685568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105814800).

70685568 is an abundant number, since it is smaller than the sum of its proper divisors (140944032).

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

70685568 is a wasteful number, since it uses less digits than its factorization.

70685568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 70685568 is about 8407.4709633754. The cubic root of 70685568 is about 413.4696001166.

It can be divided in two parts, 70685 and 568, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 70685568 in words is "seventy million, six hundred eighty-five thousand, five hundred sixty-eight".