72017833811 has 8 divisors (see below), whose sum is σ = 89788468224. Its totient is φ = 56117792520.

The previous prime is 72017833751. The next prime is 72017833813. The reversal of 72017833811 is 11833871027.

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 72017833811 - 2¹⁴ = 72017817427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72017833813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467648195 + ... + 467648348.

It is an arithmetic number, because the mean of its divisors is an integer number (11223558528).

Almost surely, 2^72017833811 is an apocalyptic number.

72017833811 is a deficient number, since it is larger than the sum of its proper divisors (17770634413).

72017833811 is a wasteful number, since it uses less digits than its factorization.

72017833811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935296561.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 72017833811 in words is "seventy-two billion, seventeen million, eight hundred thirty-three thousand, eight hundred eleven".