74946533 has 2 divisors, whose sum is σ = 74946534. Its totient is φ = 74946532.

The previous prime is 74946479. The next prime is 74946559. The reversal of 74946533 is 33564947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41964484 + 32982049 = 6478^2 + 5743^2 .

It is a cyclic number.

It is not a de Polignac number, because 74946533 - 2¹² = 74942437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74946563) 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 as a sum of consecutive naturals, namely, 37473266 + 37473267.

It is an arithmetic number, because the mean of its divisors is an integer number (37473267).

Almost surely, 2^74946533 is an apocalyptic number.

It is an amenable number.

74946533 is a deficient number, since it is larger than the sum of its proper divisors (1).

74946533 is an equidigital number, since it uses as much as digits as its factorization.

74946533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 41.

The square root of 74946533 is about 8657.1665688030. The cubic root of 74946533 is about 421.6160959070.

The spelling of 74946533 in words is "seventy-four million, nine hundred forty-six thousand, five hundred thirty-three".