75533285 has 8 divisors (see below), whose sum is σ = 90702456. Its totient is φ = 60384960.

The previous prime is 75533281. The next prime is 75533287. The reversal of 75533285 is 58233557.

It can be written as a sum of positive squares in 4 ways, for example, as 2362369 + 73170916 = 1537^2 + 8554^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75533285 - 2² = 75533281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75533281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4367 + ... + 13043.

It is an arithmetic number, because the mean of its divisors is an integer number (11337807).

Almost surely, 2^75533285 is an apocalyptic number.

It is an amenable number.

75533285 is a deficient number, since it is larger than the sum of its proper divisors (15169171).

75533285 is a wasteful number, since it uses less digits than its factorization.

75533285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10423.

The product of its digits is 126000, while the sum is 38.

The square root of 75533285 is about 8690.9887239600. The cubic root of 75533285 is about 422.7135062244.

The spelling of 75533285 in words is "seventy-five million, five hundred thirty-three thousand, two hundred eighty-five".