72274211305 has 8 divisors (see below), whose sum is σ = 86761395072. Its totient is φ = 57797808048.

The previous prime is 72274211263. The next prime is 72274211309. The reversal of 72274211305 is 50311247227.

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

It is a cyclic number.

It is not a de Polignac number, because 72274211305 - 2¹¹ = 72274209257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72274211309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2680369 + ... + 2707198.

It is an arithmetic number, because the mean of its divisors is an integer number (10845174384).

Almost surely, 2^72274211305 is an apocalyptic number.

It is an amenable number.

72274211305 is a deficient number, since it is larger than the sum of its proper divisors (14487183767).

72274211305 is a wasteful number, since it uses less digits than its factorization.

72274211305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390255.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 72274211305 in words is "seventy-two billion, two hundred seventy-four million, two hundred eleven thousand, three hundred five".