72748148 has 24 divisors (see below), whose sum is σ = 139780704. Its totient is φ = 32853600.

The previous prime is 72748147. The next prime is 72748163. The reversal of 72748148 is 84184727.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72748147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1643 + ... + 12173.

It is an arithmetic number, because the mean of its divisors is an integer number (5824196).

Almost surely, 2^72748148 is an apocalyptic number.

It is an amenable number.

72748148 is a deficient number, since it is larger than the sum of its proper divisors (67032556).

72748148 is a wasteful number, since it uses less digits than its factorization.

72748148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10703 (or 10701 counting only the distinct ones).

The product of its digits is 100352, while the sum is 41.

The square root of 72748148 is about 8529.2524877623. The cubic root of 72748148 is about 417.4527380256.

The spelling of 72748148 in words is "seventy-two million, seven hundred forty-eight thousand, one hundred forty-eight".