75044330 has 16 divisors (see below), whose sum is σ = 135240840. Its totient is φ = 29981952.

The previous prime is 75044329. The next prime is 75044363. The reversal of 75044330 is 3344057.

It can be written as a sum of positive squares in 4 ways, for example, as 46389721 + 28654609 = 6811^2 + 5353^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75044330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5366 + ... + 13374.

Almost surely, 2^75044330 is an apocalyptic number.

75044330 is a deficient number, since it is larger than the sum of its proper divisors (60196510).

75044330 is a wasteful number, since it uses less digits than its factorization.

75044330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 75044330 is about 8662.8130535063. The cubic root of 75044330 is about 421.7994037752.

Adding to 75044330 its reverse (3344057), we get a palindrome (78388387).

The spelling of 75044330 in words is "seventy-five million, forty-four thousand, three hundred thirty".