72424748 has 12 divisors (see below), whose sum is σ = 138265512. Its totient is φ = 32920320.

The previous prime is 72424691. The next prime is 72424763. The reversal of 72424748 is 84742427.

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, 822965 + ... + 823052.

It is an arithmetic number, because the mean of its divisors is an integer number (11522126).

Almost surely, 2^72424748 is an apocalyptic number.

It is an amenable number.

72424748 is a deficient number, since it is larger than the sum of its proper divisors (65840764).

72424748 is a wasteful number, since it uses less digits than its factorization.

72424748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646032 (or 1646030 counting only the distinct ones).

The product of its digits is 100352, while the sum is 38.

The square root of 72424748 is about 8510.2730861001. The cubic root of 72424748 is about 416.8332273470.

The spelling of 72424748 in words is "seventy-two million, four hundred twenty-four thousand, seven hundred forty-eight".