70678061568 has 320 divisors, whose sum is σ = 215201226240. Its totient is φ = 22892544000.

The previous prime is 70678061513. The next prime is 70678061569. The reversal of 70678061568 is 86516087607.

70678061568 is a `hidden beast` number, since 7 + 0 + 6 + 78 + 0 + 6 + 1 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (70678061569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117600468 + ... + 117601068.

It is an arithmetic number, because the mean of its divisors is an integer number (672503832).

Almost surely, 2^70678061568 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 70678061568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107600613120).

70678061568 is an abundant number, since it is smaller than the sum of its proper divisors (144523164672).

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

70678061568 is a wasteful number, since it uses less digits than its factorization.

70678061568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 70678061568 in words is "seventy billion, six hundred seventy-eight million, sixty-one thousand, five hundred sixty-eight".