75223533 has 16 divisors (see below), whose sum is σ = 125047296. Its totient is φ = 39077040.

The previous prime is 75223531. The next prime is 75223537. The reversal of 75223533 is 33532257.

It is not a de Polignac number, because 75223533 - 2¹ = 75223531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75223533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75223531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162591 + ... + 163052.

It is an arithmetic number, because the mean of its divisors is an integer number (7815456).

Almost surely, 2^75223533 is an apocalyptic number.

It is an amenable number.

75223533 is a deficient number, since it is larger than the sum of its proper divisors (49823763).

75223533 is a wasteful number, since it uses less digits than its factorization.

75223533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325664.

The product of its digits is 18900, while the sum is 30.

The square root of 75223533 is about 8673.1501197662. The cubic root of 75223533 is about 422.1348838458.

The spelling of 75223533 in words is "seventy-five million, two hundred twenty-three thousand, five hundred thirty-three".