72469288 has 16 divisors (see below), whose sum is σ = 136255680. Its totient is φ = 36134448.

The previous prime is 72469261. The next prime is 72469303. The reversal of 72469288 is 88296427.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9406 + ... + 15277.

It is an arithmetic number, because the mean of its divisors is an integer number (8515980).

Almost surely, 2^72469288 is an apocalyptic number.

It is an amenable number.

72469288 is a deficient number, since it is larger than the sum of its proper divisors (63786392).

72469288 is a wasteful number, since it uses less digits than its factorization.

72469288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25056 (or 25052 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 72469288 is about 8512.8895211908. The cubic root of 72469288 is about 416.9186583076.

The spelling of 72469288 in words is "seventy-two million, four hundred sixty-nine thousand, two hundred eighty-eight".