7182748128 has 48 divisors (see below), whose sum is σ = 18886237776. Its totient is φ = 2390246400.

The previous prime is 7182748123. The next prime is 7182748141. The reversal of 7182748128 is 8218472817.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7182748121) 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, 4551 + ... + 119942.

It is an arithmetic number, because the mean of its divisors is an integer number (393463287).

Almost surely, 2^7182748128 is an apocalyptic number.

It is an amenable number.

7182748128 is an abundant number, since it is smaller than the sum of its proper divisors (11703489648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7182748128 is a wasteful number, since it uses less digits than its factorization.

7182748128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125107 (or 125099 counting only the distinct ones).

The product of its digits is 401408, while the sum is 48.

The square root of 7182748128 is about 84751.0951433667. The cubic root of 7182748128 is about 1929.4352673106.

The spelling of 7182748128 in words is "seven billion, one hundred eighty-two million, seven hundred forty-eight thousand, one hundred twenty-eight".