72911641306 has 8 divisors (see below), whose sum is σ = 124991385120. Its totient is φ = 31247846268.

The previous prime is 72911641249. The next prime is 72911641357. The reversal of 72911641306 is 60314611927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×72911641306² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603987176 + ... + 2603987203.

It is an arithmetic number, because the mean of its divisors is an integer number (15623923140).

Almost surely, 2^72911641306 is an apocalyptic number.

72911641306 is a deficient number, since it is larger than the sum of its proper divisors (52079743814).

72911641306 is a wasteful number, since it uses less digits than its factorization.

72911641306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207974388.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 72911641306 in words is "seventy-two billion, nine hundred eleven million, six hundred forty-one thousand, three hundred six".