72834219134 has 4 divisors (see below), whose sum is σ = 109251328704. Its totient is φ = 36417109566.

The previous prime is 72834219103. The next prime is 72834219149. The reversal of 72834219134 is 43191243827.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18208554782 + ... + 18208554785.

It is an arithmetic number, because the mean of its divisors is an integer number (27312832176).

Almost surely, 2^72834219134 is an apocalyptic number.

72834219134 is a deficient number, since it is larger than the sum of its proper divisors (36417109570).

72834219134 is a wasteful number, since it uses less digits than its factorization.

72834219134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36417109569.

The product of its digits is 290304, while the sum is 44.

The spelling of 72834219134 in words is "seventy-two billion, eight hundred thirty-four million, two hundred nineteen thousand, one hundred thirty-four".