43074533 has 2 divisors, whose sum is σ = 43074534. Its totient is φ = 43074532.

The previous prime is 43074529. The next prime is 43074557. The reversal of 43074533 is 33547034.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41770369 + 1304164 = 6463^2 + 1142^2 .

It is a cyclic number.

It is not a de Polignac number, because 43074533 - 2² = 43074529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43074496 and 43074505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43074523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21537266 + 21537267.

It is an arithmetic number, because the mean of its divisors is an integer number (21537267).

Almost surely, 2^43074533 is an apocalyptic number.

It is an amenable number.

43074533 is a deficient number, since it is larger than the sum of its proper divisors (1).

43074533 is an equidigital number, since it uses as much as digits as its factorization.

43074533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 43074533 is about 6563.1191517448. The cubic root of 43074533 is about 350.5421068486.

The spelling of 43074533 in words is "forty-three million, seventy-four thousand, five hundred thirty-three".