72092889 has 24 divisors (see below), whose sum is σ = 117401760. Its totient is φ = 43690680.

The previous prime is 72092873. The next prime is 72092921. The reversal of 72092889 is 98829027.

It is not a de Polignac number, because 72092889 - 2⁴ = 72092873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72092809) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7767 + ... + 14300.

It is an arithmetic number, because the mean of its divisors is an integer number (4891740).

Almost surely, 2^72092889 is an apocalyptic number.

It is an amenable number.

72092889 is a deficient number, since it is larger than the sum of its proper divisors (45308871).

72092889 is a wasteful number, since it uses less digits than its factorization.

72092889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22098 (or 22081 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 72092889 is about 8490.7531468062. The cubic root of 72092889 is about 416.1955922719.

The spelling of 72092889 in words is "seventy-two million, ninety-two thousand, eight hundred eighty-nine".