70312720194 has 96 divisors (see below), whose sum is σ = 161702521344. Its totient is φ = 22890366720.

The previous prime is 70312720157. The next prime is 70312720217. The reversal of 70312720194 is 49102721307.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5737914 + ... + 5750154.

It is an arithmetic number, because the mean of its divisors is an integer number (1684401264).

Almost surely, 2^70312720194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70312720194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80851260672).

70312720194 is an abundant number, since it is smaller than the sum of its proper divisors (91389801150).

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

70312720194 is a wasteful number, since it uses less digits than its factorization.

70312720194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12534 (or 12522 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 70312720194 in words is "seventy billion, three hundred twelve million, seven hundred twenty thousand, one hundred ninety-four".