75330072 has 48 divisors (see below), whose sum is σ = 204795240. Its totient is φ = 25014528.

The previous prime is 75330071. The next prime is 75330097. The reversal of 75330072 is 27003357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75330071) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 18528 + ... + 22224.

Almost surely, 2^75330072 is an apocalyptic number.

75330072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

75330072 is an abundant number, since it is smaller than the sum of its proper divisors (129465168).

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

75330072 is a wasteful number, since it uses less digits than its factorization.

75330072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992 (or 3985 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 75330072 is about 8679.2898326994. The cubic root of 75330072 is about 422.3340795459.

The spelling of 75330072 in words is "seventy-five million, three hundred thirty thousand, seventy-two".