72359889 has 16 divisors (see below), whose sum is σ = 111242112. Its totient is φ = 40981248.

The previous prime is 72359867. The next prime is 72359897. The reversal of 72359889 is 98895327.

It is not a de Polignac number, because 72359889 - 2⁵ = 72359857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72359849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12874 + ... + 17619.

It is an arithmetic number, because the mean of its divisors is an integer number (6952632).

Almost surely, 2^72359889 is an apocalyptic number.

It is an amenable number.

72359889 is a deficient number, since it is larger than the sum of its proper divisors (38882223).

72359889 is a wasteful number, since it uses less digits than its factorization.

72359889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30616.

The product of its digits is 1088640, while the sum is 51.

The square root of 72359889 is about 8506.4616028052. The cubic root of 72359889 is about 416.7087604051.

The spelling of 72359889 in words is "seventy-two million, three hundred fifty-nine thousand, eight hundred eighty-nine".