72219834072194 has 16 divisors (see below), whose sum is σ = 111649636137600. Its totient is φ = 35017385869584.

The previous prime is 72219834072179. The next prime is 72219834072233. The reversal of 72219834072194 is 49127043891227.

It is a happy 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, 3524283824 + ... + 3524304315.

It is an arithmetic number, because the mean of its divisors is an integer number (6978102258600).

Almost surely, 2^{72219834072194} is an apocalyptic number.

72219834072194 is a deficient number, since it is larger than the sum of its proper divisors (39429802065406).

72219834072194 is a wasteful number, since it uses less digits than its factorization.

72219834072194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048588297.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 72219834072194 in words is "seventy-two trillion, two hundred nineteen billion, eight hundred thirty-four million, seventy-two thousand, one hundred ninety-four".