75416533 has 2 divisors, whose sum is σ = 75416534. Its totient is φ = 75416532.

The previous prime is 75416513. The next prime is 75416543. The reversal of 75416533 is 33561457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63075364 + 12341169 = 7942^2 + 3513^2 .

It is a cyclic number.

It is not a de Polignac number, because 75416533 - 2⁹ = 75416021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75416503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37708266 + 37708267.

It is an arithmetic number, because the mean of its divisors is an integer number (37708267).

Almost surely, 2^75416533 is an apocalyptic number.

It is an amenable number.

75416533 is a deficient number, since it is larger than the sum of its proper divisors (1).

75416533 is an equidigital number, since it uses as much as digits as its factorization.

75416533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 34.

The square root of 75416533 is about 8684.2692841712. The cubic root of 75416533 is about 422.4955974472.

The spelling of 75416533 in words is "seventy-five million, four hundred sixteen thousand, five hundred thirty-three".