75448548 has 72 divisors (see below), whose sum is σ = 219465792. Its totient is φ = 21408192.

The previous prime is 75448543. The next prime is 75448553. The reversal of 75448548 is 84584457.

It is an interprime number because it is at equal distance from previous prime (75448543) and next prime (75448553).

It is not an unprimeable number, because it can be changed into a prime (75448543) 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 in 23 ways as a sum of consecutive naturals, for example, 38611 + ... + 40517.

It is an arithmetic number, because the mean of its divisors is an integer number (3048136).

Almost surely, 2^75448548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75448548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109732896).

75448548 is an abundant number, since it is smaller than the sum of its proper divisors (144017244).

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

75448548 is a wasteful number, since it uses less digits than its factorization.

75448548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081 (or 2076 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 75448548 is about 8686.1123639981. The cubic root of 75448548 is about 422.5553733896. Note that the first 3 decimals are identical.

The spelling of 75448548 in words is "seventy-five million, four hundred forty-eight thousand, five hundred forty-eight".