70861464576 has 660 divisors, whose sum is σ = 251856067584. Its totient is φ = 19438755840.

The previous prime is 70861464571. The next prime is 70861464637. The reversal of 70861464576 is 67546416807.

70861464576 is a `hidden beast` number, since 7 + 0 + 8 + 6 + 1 + 4 + 64 + 576 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70861464571) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 557964225 + ... + 557964351.

Almost surely, 2^70861464576 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 70861464576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125928033792).

70861464576 is an abundant number, since it is smaller than the sum of its proper divisors (180994603008).

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

70861464576 is a wasteful number, since it uses less digits than its factorization.

70861464576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 70861464576 in words is "seventy billion, eight hundred sixty-one million, four hundred sixty-four thousand, five hundred seventy-six".