72233109 has 24 divisors (see below), whose sum is σ = 112784672. Its totient is φ = 44284320.

The previous prime is 72233071. The next prime is 72233111. The reversal of 72233109 is 90133227.

It is not a de Polignac number, because 72233109 - 2⁷ = 72232981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72233159) 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, 34914 + ... + 36924.

Almost surely, 2^72233109 is an apocalyptic number.

It is an amenable number.

72233109 is a deficient number, since it is larger than the sum of its proper divisors (40551563).

72233109 is a wasteful number, since it uses less digits than its factorization.

72233109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 72233109 is about 8499.0063536863. The cubic root of 72233109 is about 416.4652497084.

The spelling of 72233109 in words is "seventy-two million, two hundred thirty-three thousand, one hundred nine".