72328748 has 6 divisors (see below), whose sum is σ = 126575316. Its totient is φ = 36164372.

The previous prime is 72328741. The next prime is 72328757. The reversal of 72328748 is 84782327.

It is not an unprimeable number, because it can be changed into a prime (72328741) by changing a digit.

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 as a sum of consecutive naturals, namely, 9041090 + ... + 9041097.

It is an arithmetic number, because the mean of its divisors is an integer number (21095886).

Almost surely, 2^72328748 is an apocalyptic number.

It is an amenable number.

72328748 is a deficient number, since it is larger than the sum of its proper divisors (54246568).

72328748 is a wasteful number, since it uses less digits than its factorization.

72328748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18082191 (or 18082189 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 72328748 is about 8504.6309737695. The cubic root of 72328748 is about 416.6489731864.

The spelling of 72328748 in words is "seventy-two million, three hundred twenty-eight thousand, seven hundred forty-eight".