75016733 has 12 divisors (see below), whose sum is σ = 87309180. Its totient is φ = 64183680.

The previous prime is 75016709. The next prime is 75016813. The reversal of 75016733 is 33761057.

It can be written as a sum of positive squares in 2 ways, for example, as 42549529 + 32467204 = 6523^2 + 5698^2 .

It is not a de Polignac number, because 75016733 - 2⁸ = 75016477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75016733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75016703) 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, 16178 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (7275765).

Almost surely, 2^75016733 is an apocalyptic number.

It is an amenable number.

75016733 is a deficient number, since it is larger than the sum of its proper divisors (12292447).

75016733 is a wasteful number, since it uses less digits than its factorization.

75016733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36508 (or 36497 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 75016733 is about 8661.2200641711. The cubic root of 75016733 is about 421.7476928938.

The spelling of 75016733 in words is "seventy-five million, sixteen thousand, seven hundred thirty-three".