43274913 has 16 divisors (see below), whose sum is σ = 66259200. Its totient is φ = 24846480.

The previous prime is 43274897. The next prime is 43274923. The reversal of 43274913 is 31947234.

It is not a de Polignac number, because 43274913 - 2⁴ = 43274897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (43274923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33883 + ... + 35136.

It is an arithmetic number, because the mean of its divisors is an integer number (4141200).

Almost surely, 2^43274913 is an apocalyptic number.

It is an amenable number.

43274913 is a deficient number, since it is larger than the sum of its proper divisors (22984287).

43274913 is a wasteful number, since it uses less digits than its factorization.

43274913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69052.

The product of its digits is 18144, while the sum is 33.

The square root of 43274913 is about 6578.3670466157. The cubic root of 43274913 is about 351.0848327026.

The spelling of 43274913 in words is "forty-three million, two hundred seventy-four thousand, nine hundred thirteen".