72199827 has 24 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 41145840.

The previous prime is 72199817. The next prime is 72199843. The reversal of 72199827 is 72899127.

It is not a de Polignac number, because 72199827 - 2⁸ = 72199571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72199817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25824 + ... + 28482.

It is an arithmetic number, because the mean of its divisors is an integer number (4979520).

Almost surely, 2^72199827 is an apocalyptic number.

72199827 is a deficient number, since it is larger than the sum of its proper divisors (47308653).

72199827 is a wasteful number, since it uses less digits than its factorization.

72199827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3100 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 72199827 is about 8497.0481344994. The cubic root of 72199827 is about 416.4012766172.

The spelling of 72199827 in words is "seventy-two million, one hundred ninety-nine thousand, eight hundred twenty-seven".