72258748 has 24 divisors (see below), whose sum is σ = 136209920. Its totient is φ = 33430320.

The previous prime is 72258731. The next prime is 72258751. The reversal of 72258748 is 84785227.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 7788 + ... + 14323.

Almost surely, 2^72258748 is an apocalyptic number.

It is an amenable number.

72258748 is a deficient number, since it is larger than the sum of its proper divisors (63951172).

72258748 is a wasteful number, since it uses less digits than its factorization.

72258748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22177 (or 22175 counting only the distinct ones).

The product of its digits is 250880, while the sum is 43.

The square root of 72258748 is about 8500.5145726597. The cubic root of 72258748 is about 416.5145183867.

The spelling of 72258748 in words is "seventy-two million, two hundred fifty-eight thousand, seven hundred forty-eight".