72027165 has 16 divisors (see below), whose sum is σ = 131707008. Its totient is φ = 32926656.

The previous prime is 72027149. The next prime is 72027173. The reversal of 72027165 is 56172027.

It is not a de Polignac number, because 72027165 - 2⁴ = 72027149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342882 + ... + 343091.

It is an arithmetic number, because the mean of its divisors is an integer number (8231688).

Almost surely, 2^72027165 is an apocalyptic number.

It is an amenable number.

72027165 is a deficient number, since it is larger than the sum of its proper divisors (59679843).

72027165 is a wasteful number, since it uses less digits than its factorization.

72027165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685988.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 72027165 is about 8486.8819362590. The cubic root of 72027165 is about 416.0690779180.

The spelling of 72027165 in words is "seventy-two million, twenty-seven thousand, one hundred sixty-five".