70781969334 has 16 divisors (see below), whose sum is σ = 141750954288. Its totient is φ = 23562820512.

The previous prime is 70781969281. The next prime is 70781969359. The reversal of 70781969334 is 43396918707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7787397 + ... + 7796480.

It is an arithmetic number, because the mean of its divisors is an integer number (8859434643).

Almost surely, 2^70781969334 is an apocalyptic number.

70781969334 is an abundant number, since it is smaller than the sum of its proper divisors (70968984954).

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

70781969334 is a wasteful number, since it uses less digits than its factorization.

70781969334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15584639.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 70781969334 in words is "seventy billion, seven hundred eighty-one million, nine hundred sixty-nine thousand, three hundred thirty-four".