72365244 has 24 divisors (see below), whose sum is σ = 192974208. Its totient is φ = 20675760.

The previous prime is 72365219. The next prime is 72365261. The reversal of 72365244 is 44256327.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 430662 + ... + 430829.

It is an arithmetic number, because the mean of its divisors is an integer number (8040592).

Almost surely, 2^72365244 is an apocalyptic number.

It is an amenable number.

72365244 is an abundant number, since it is smaller than the sum of its proper divisors (120608964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72365244 is a wasteful number, since it uses less digits than its factorization.

72365244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861505 (or 861503 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 72365244 is about 8506.7763577045. The cubic root of 72365244 is about 416.7190396745.

The spelling of 72365244 in words is "seventy-two million, three hundred sixty-five thousand, two hundred forty-four".