43274273 has 4 divisors (see below), whose sum is σ = 49456320. Its totient is φ = 37092228.

The previous prime is 43274269. The next prime is 43274279. The reversal of 43274273 is 37247234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43274273 - 2² = 43274269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43274279) 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, 3091013 + ... + 3091026.

It is an arithmetic number, because the mean of its divisors is an integer number (12364080).

Almost surely, 2^43274273 is an apocalyptic number.

It is an amenable number.

43274273 is a deficient number, since it is larger than the sum of its proper divisors (6182047).

43274273 is an equidigital number, since it uses as much as digits as its factorization.

43274273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182046.

The product of its digits is 28224, while the sum is 32.

The square root of 43274273 is about 6578.3184021450. The cubic root of 43274273 is about 351.0831019431.

The spelling of 43274273 in words is "forty-three million, two hundred seventy-four thousand, two hundred seventy-three".