74366533 has 2 divisors, whose sum is σ = 74366534. Its totient is φ = 74366532.

The previous prime is 74366519. The next prime is 74366557. The reversal of 74366533 is 33566347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74356129 + 10404 = 8623^2 + 102^2 .

It is a cyclic number.

It is not a de Polignac number, because 74366533 - 2⁹ = 74366021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74366492 and 74366501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74366563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37183266 + 37183267.

It is an arithmetic number, because the mean of its divisors is an integer number (37183267).

Almost surely, 2^74366533 is an apocalyptic number.

It is an amenable number.

74366533 is a deficient number, since it is larger than the sum of its proper divisors (1).

74366533 is an equidigital number, since it uses as much as digits as its factorization.

74366533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 37.

The square root of 74366533 is about 8623.6032492225. The cubic root of 74366533 is about 420.5256702192.

It can be divided in two parts, 743 and 66533, that added together give a palindrome (67276).

The spelling of 74366533 in words is "seventy-four million, three hundred sixty-six thousand, five hundred thirty-three".