72181070593 has 8 divisors (see below), whose sum is σ = 76515591168. Its totient is φ = 67856391744.

The previous prime is 72181070581. The next prime is 72181070641. The reversal of 72181070593 is 39507018127.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72181070593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72181070293) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2445321 + ... + 2474662.

It is an arithmetic number, because the mean of its divisors is an integer number (9564448896).

Almost surely, 2^72181070593 is an apocalyptic number.

It is an amenable number.

72181070593 is a deficient number, since it is larger than the sum of its proper divisors (4334520575).

72181070593 is a wasteful number, since it uses less digits than its factorization.

72181070593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920863.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 72181070593 in words is "seventy-two billion, one hundred eighty-one million, seventy thousand, five hundred ninety-three".