72090027 has 32 divisors (see below), whose sum is σ = 115315200. Its totient is φ = 44374176.

The previous prime is 72090019. The next prime is 72090041. The reversal of 72090027 is 72009027.

It is not a de Polignac number, because 72090027 - 2³ = 72090019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (72090077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16008 + ... + 20010.

It is an arithmetic number, because the mean of its divisors is an integer number (3603600).

Almost surely, 2^72090027 is an apocalyptic number.

72090027 is a deficient number, since it is larger than the sum of its proper divisors (43225173).

72090027 is a wasteful number, since it uses less digits than its factorization.

72090027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064 (or 4058 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 72090027 is about 8490.5846088476. The cubic root of 72090027 is about 416.1900847127.

The spelling of 72090027 in words is "seventy-two million, ninety thousand, twenty-seven".