72083591 has 8 divisors (see below), whose sum is σ = 73350144. Its totient is φ = 70826680.

The previous prime is 72083573. The next prime is 72083651. The reversal of 72083591 is 19538027.

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 72083591 - 2⁶ = 72083527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72086591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13580 + ... + 18126.

It is an arithmetic number, because the mean of its divisors is an integer number (9168768).

Almost surely, 2^72083591 is an apocalyptic number.

72083591 is a deficient number, since it is larger than the sum of its proper divisors (1266553).

72083591 is a wasteful number, since it uses less digits than its factorization.

72083591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 72083591 is about 8490.2055923281. The cubic root of 72083591 is about 416.1776989075.

The spelling of 72083591 in words is "seventy-two million, eighty-three thousand, five hundred ninety-one".