72324897 has 16 divisors (see below), whose sum is σ = 97655040. Its totient is φ = 47610000.

The previous prime is 72324881. The next prime is 72324911. The reversal of 72324897 is 79842327.

It is not a de Polignac number, because 72324897 - 2⁴ = 72324881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72324827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104322 + ... + 105012.

It is an arithmetic number, because the mean of its divisors is an integer number (6103440).

Almost surely, 2^72324897 is an apocalyptic number.

It is an amenable number.

72324897 is a deficient number, since it is larger than the sum of its proper divisors (25330143).

72324897 is a wasteful number, since it uses less digits than its factorization.

72324897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084.

The product of its digits is 169344, while the sum is 42.

The square root of 72324897 is about 8504.4045646947. The cubic root of 72324897 is about 416.6415785072.

The spelling of 72324897 in words is "seventy-two million, three hundred twenty-four thousand, eight hundred ninety-seven".