70840155554 has 32 divisors (see below), whose sum is σ = 125545639296. Its totient is φ = 29348282880.

The previous prime is 70840155527. The next prime is 70840155629. The reversal of 70840155554 is 45555104807.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548177 + ... + 664964.

It is an arithmetic number, because the mean of its divisors is an integer number (3923301228).

Almost surely, 2^70840155554 is an apocalyptic number.

70840155554 is a deficient number, since it is larger than the sum of its proper divisors (54705483742).

70840155554 is a wasteful number, since it uses less digits than its factorization.

70840155554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213290.

The product of its (nonzero) digits is 560000, while the sum is 44.

The spelling of 70840155554 in words is "seventy billion, eight hundred forty million, one hundred fifty-five thousand, five hundred fifty-four".