75285448 has 64 divisors (see below), whose sum is σ = 171216000. Its totient is φ = 30316032.

The previous prime is 75285409. The next prime is 75285451. The reversal of 75285448 is 84458257.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 183868 + ... + 184276.

It is an arithmetic number, because the mean of its divisors is an integer number (2675250).

Almost surely, 2^75285448 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 75285448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85608000).

75285448 is an abundant number, since it is smaller than the sum of its proper divisors (95930552).

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

75285448 is a wasteful number, since it uses less digits than its factorization.

75285448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 610 counting only the distinct ones).

The product of its digits is 358400, while the sum is 43.

The square root of 75285448 is about 8676.7187346370. The cubic root of 75285448 is about 422.2506690385.

The spelling of 75285448 in words is "seventy-five million, two hundred eighty-five thousand, four hundred forty-eight".