70606999872 has 168 divisors, whose sum is σ = 213206441760. Its totient is φ = 22278896640.

The previous prime is 70606999847. The next prime is 70606999889. The reversal of 70606999872 is 27899960607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21919222 + ... + 21922442.

Almost surely, 2^70606999872 is an apocalyptic number.

70606999872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70606999872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106603220880).

70606999872 is an abundant number, since it is smaller than the sum of its proper divisors (142599441888).

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

70606999872 is a wasteful number, since it uses less digits than its factorization.

70606999872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261 (or 5248 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 63.

The spelling of 70606999872 in words is "seventy billion, six hundred six million, nine hundred ninety-nine thousand, eight hundred seventy-two".