72589744 has 10 divisors (see below), whose sum is σ = 140642660. Its totient is φ = 36294864.

The previous prime is 72589739. The next prime is 72589787. The reversal of 72589744 is 44798527.

It is a junction number, because it is equal to n+sod(n) for n = 72589694 and 72589703.

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 as a sum of consecutive naturals, namely, 2268414 + ... + 2268445.

It is an arithmetic number, because the mean of its divisors is an integer number (14064266).

Almost surely, 2^72589744 is an apocalyptic number.

It is an amenable number.

72589744 is a deficient number, since it is larger than the sum of its proper divisors (68052916).

72589744 is a wasteful number, since it uses less digits than its factorization.

72589744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536867 (or 4536861 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 72589744 is about 8519.9615022604. The cubic root of 72589744 is about 417.1495264730.

The spelling of 72589744 in words is "seventy-two million, five hundred eighty-nine thousand, seven hundred forty-four".