70347772134 has 80 divisors (see below), whose sum is σ = 164899864800. Its totient is φ = 22386139776.

The previous prime is 70347772129. The next prime is 70347772171. The reversal of 70347772134 is 43127774307.

It is a self number, because there is not a number n which added to its sum of digits gives 70347772134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 333999 + ... + 502245.

It is an arithmetic number, because the mean of its divisors is an integer number (2061248310).

Almost surely, 2^70347772134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70347772134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82449932400).

70347772134 is an abundant number, since it is smaller than the sum of its proper divisors (94552092666).

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

70347772134 is a wasteful number, since it uses less digits than its factorization.

70347772134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168379 (or 168370 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 45.

The spelling of 70347772134 in words is "seventy billion, three hundred forty-seven million, seven hundred seventy-two thousand, one hundred thirty-four".