72834912066 has 32 divisors (see below), whose sum is σ = 167476700160. Its totient is φ = 20685362256.

The previous prime is 72834912053. The next prime is 72834912077. The reversal of 72834912066 is 66021943827.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5185096 + ... + 5199123.

It is an arithmetic number, because the mean of its divisors is an integer number (5233646880).

Almost surely, 2^72834912066 is an apocalyptic number.

72834912066 is an abundant number, since it is smaller than the sum of its proper divisors (94641788094).

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

72834912066 is a wasteful number, since it uses less digits than its factorization.

72834912066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10384398.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 72834912066 in words is "seventy-two billion, eight hundred thirty-four million, nine hundred twelve thousand, sixty-six".