75030244 has 27 divisors (see below), whose sum is σ = 135397353. Its totient is φ = 36380400.

The previous prime is 75030217. The next prime is 75030253. The reversal of 75030244 is 44203057.

The square root of 75030244 is 8662.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2439844 + 72590400 = 1562^2 + 8520^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1056729 + ... + 1056799.

Almost surely, 2^75030244 is an apocalyptic number.

75030244 is the 8662-nd square number.

It is an amenable number.

75030244 is a deficient number, since it is larger than the sum of its proper divisors (60367109).

75030244 is an equidigital number, since it uses as much as digits as its factorization.

75030244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The cubic root of 75030244 is about 421.7730112052.

Multiplying 75030244 by its sum of digits (25), we get a square (1875756100 = 43310²).

The spelling of 75030244 in words is "seventy-five million, thirty thousand, two hundred forty-four".