72086559 has 4 divisors (see below), whose sum is σ = 96115416. Its totient is φ = 48057704.

The previous prime is 72086557. The next prime is 72086591. The reversal of 72086559 is 95568027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95568027 = 3 ⋅31856009.

It is a cyclic number.

It is not a de Polignac number, because 72086559 - 2¹ = 72086557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72086559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72086557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12014424 + ... + 12014429.

It is an arithmetic number, because the mean of its divisors is an integer number (24028854).

Almost surely, 2^72086559 is an apocalyptic number.

72086559 is a deficient number, since it is larger than the sum of its proper divisors (24028857).

72086559 is a wasteful number, since it uses less digits than its factorization.

72086559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24028856.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 72086559 is about 8490.3803801714. The cubic root of 72086559 is about 416.1834107875.

The spelling of 72086559 in words is "seventy-two million, eighty-six thousand, five hundred fifty-nine".