70796634772890 has 128 divisors (see below), whose sum is σ = 184714934084352. Its totient is φ = 17261869547520.

The previous prime is 70796634772861. The next prime is 70796634772891. The reversal of 70796634772890 is 9827743669707.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70796634772891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 352977274 + ... + 353177786.

It is an arithmetic number, because the mean of its divisors is an integer number (1443085422534).

Almost surely, 2^{70796634772890} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70796634772890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92357467042176).

70796634772890 is an abundant number, since it is smaller than the sum of its proper divisors (113918299311462).

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

70796634772890 is a wasteful number, since it uses less digits than its factorization.

70796634772890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209104.

The product of its (nonzero) digits is 1344252672, while the sum is 75.

The spelling of 70796634772890 in words is "seventy trillion, seven hundred ninety-six billion, six hundred thirty-four million, seven hundred seventy-two thousand, eight hundred ninety".