72769244 has 18 divisors (see below), whose sum is σ = 130389840. Its totient is φ = 35534856.

The previous prime is 72769241. The next prime is 72769267. The reversal of 72769244 is 44296727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72769241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2477 + ... + 12315.

It is an arithmetic number, because the mean of its divisors is an integer number (7243880).

Almost surely, 2^72769244 is an apocalyptic number.

It is an amenable number.

72769244 is a deficient number, since it is larger than the sum of its proper divisors (57620596).

72769244 is a wasteful number, since it uses less digits than its factorization.

72769244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9929 (or 9884 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 72769244 is about 8530.4890832824. The cubic root of 72769244 is about 417.4930860485.

The spelling of 72769244 in words is "seventy-two million, seven hundred sixty-nine thousand, two hundred forty-four".