72119889 has 20 divisors (see below), whose sum is σ = 109567920. Its totient is φ = 47261880.

The previous prime is 72119867. The next prime is 72119903. The reversal of 72119889 is 98891127.

It is not a de Polignac number, because 72119889 - 2⁸ = 72119633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72119689) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2767 + ... + 12324.

It is an arithmetic number, because the mean of its divisors is an integer number (5478396).

Almost surely, 2^72119889 is an apocalyptic number.

It is an amenable number.

72119889 is a deficient number, since it is larger than the sum of its proper divisors (37448031).

72119889 is a wasteful number, since it uses less digits than its factorization.

72119889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15162 (or 15153 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 72119889 is about 8492.3429629284. The cubic root of 72119889 is about 416.2475432044.

The spelling of 72119889 in words is "seventy-two million, one hundred nineteen thousand, eight hundred eighty-nine".