43074133 has 4 divisors (see below), whose sum is σ = 43089228. Its totient is φ = 43059040.

The previous prime is 43074091. The next prime is 43074169. The reversal of 43074133 is 33147034.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25826724 + 17247409 = 5082^2 + 4153^2 .

It is a cyclic number.

It is not a de Polignac number, because 43074133 - 2¹³ = 43065941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43074098 and 43074107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43074533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1816 + ... + 9457.

It is an arithmetic number, because the mean of its divisors is an integer number (10772307).

Almost surely, 2^43074133 is an apocalyptic number.

It is an amenable number.

43074133 is a deficient number, since it is larger than the sum of its proper divisors (15095).

43074133 is a wasteful number, since it uses less digits than its factorization.

43074133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15094.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 43074133 is about 6563.0886783587. The cubic root of 43074133 is about 350.5410217737.

The spelling of 43074133 in words is "forty-three million, seventy-four thousand, one hundred thirty-three".