72089085 has 8 divisors (see below), whose sum is σ = 115342560. Its totient is φ = 38447504.

The previous prime is 72089077. The next prime is 72089123. The reversal of 72089085 is 58098027.

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 72089085 - 2³ = 72089077 is a prime.

It is a super-2 number, since 2×72089085² = 10393672352274450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2402955 + ... + 2402984.

It is an arithmetic number, because the mean of its divisors is an integer number (14417820).

Almost surely, 2^72089085 is an apocalyptic number.

It is an amenable number.

72089085 is a deficient number, since it is larger than the sum of its proper divisors (43253475).

72089085 is a wasteful number, since it uses less digits than its factorization.

72089085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805947.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 72089085 is about 8490.5291354544. The cubic root of 72089085 is about 416.1882719203.

The spelling of 72089085 in words is "seventy-two million, eighty-nine thousand, eighty-five".