72089101 has 4 divisors (see below), whose sum is σ = 82387552. Its totient is φ = 61790652.

The previous prime is 72089077. The next prime is 72089123. The reversal of 72089101 is 10198027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 72089101 - 2⁹ = 72088589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72089101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72089131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5149215 + ... + 5149228.

It is an arithmetic number, because the mean of its divisors is an integer number (20596888).

Almost surely, 2^72089101 is an apocalyptic number.

It is an amenable number.

72089101 is a deficient number, since it is larger than the sum of its proper divisors (10298451).

72089101 is a wasteful number, since it uses less digits than its factorization.

72089101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298450.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 72089101 is about 8490.5300776807. The cubic root of 72089101 is about 416.1883027110.

The spelling of 72089101 in words is "seventy-two million, eighty-nine thousand, one hundred one".