70909996116672 has 168 divisors, whose sum is σ = 206326655814240. Its totient is φ = 23281378099200.

The previous prime is 70909996116587. The next prime is 70909996116679. The reversal of 70909996116672 is 27661169990907.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 70909996116672.

It is not an unprimeable number, because it can be changed into a prime (70909996116679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8070229 + ... + 14385707.

Almost surely, 2^{70909996116672} is an apocalyptic number.

70909996116672 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 70909996116672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103163327907120).

70909996116672 is an abundant number, since it is smaller than the sum of its proper divisors (135416659697568).

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

70909996116672 is a wasteful number, since it uses less digits than its factorization.

70909996116672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315791 (or 6315778 counting only the distinct ones).

The product of its (nonzero) digits is 138883248, while the sum is 72.

The spelling of 70909996116672 in words is "seventy trillion, nine hundred nine billion, nine hundred ninety-six million, one hundred sixteen thousand, six hundred seventy-two".