72329750 has 16 divisors (see below), whose sum is σ = 135401760. Its totient is φ = 28931800.

The previous prime is 72329737. The next prime is 72329767. The reversal of 72329750 is 5792327.

It is a self number, because there is not a number n which added to its sum of digits gives 72329750.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 144410 + ... + 144909.

It is an arithmetic number, because the mean of its divisors is an integer number (8462610).

Almost surely, 2^72329750 is an apocalyptic number.

72329750 is a deficient number, since it is larger than the sum of its proper divisors (63072010).

72329750 is a wasteful number, since it uses less digits than its factorization.

72329750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289336 (or 289326 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 72329750 is about 8504.6898826471. The cubic root of 72329750 is about 416.6508971810.

The spelling of 72329750 in words is "seventy-two million, three hundred twenty-nine thousand, seven hundred fifty".