75252750 has 64 divisors (see below), whose sum is σ = 189034560. Its totient is φ = 19939200.

The previous prime is 75252733. The next prime is 75252763. The reversal of 75252750 is 5725257.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 201564 + ... + 201936.

It is an arithmetic number, because the mean of its divisors is an integer number (2953665).

Almost surely, 2^75252750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75252750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94517280).

75252750 is an abundant number, since it is smaller than the sum of its proper divisors (113781810).

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

75252750 is a wasteful number, since it uses less digits than its factorization.

75252750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 75252750 is about 8674.8342923655. The cubic root of 75252750 is about 422.1895295042.

The spelling of 75252750 in words is "seventy-five million, two hundred fifty-two thousand, seven hundred fifty".