75000750 has 64 divisors (see below), whose sum is σ = 204242688. Its totient is φ = 18180000.

The previous prime is 75000743. The next prime is 75000763. The reversal of 75000750 is 5700057.

It is a super-2 number, since 2×75000750² = 11250225001125000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75000750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3705 + ... + 12795.

It is an arithmetic number, because the mean of its divisors is an integer number (3191292).

Almost surely, 2^75000750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75000750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102121344).

75000750 is an abundant number, since it is smaller than the sum of its proper divisors (129241938).

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

75000750 is a wasteful number, since it uses less digits than its factorization.

75000750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9122 (or 9112 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 24.

The square root of 75000750 is about 8660.2973390063. The cubic root of 75000750 is about 421.7177383673.

It can be divided in two parts, 750007 and 50, that added together give a palindrome (750057).

The spelling of 75000750 in words is "seventy-five million, seven hundred fifty", and thus it is an aban number.