43472393 has 4 divisors (see below), whose sum is σ = 43920660. Its totient is φ = 43024128.

The previous prime is 43472371. The next prime is 43472413. The reversal of 43472393 is 39327434.

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 23687689 + 19784704 = 4867^2 + 4448^2 .

It is a cyclic number.

It is not a de Polignac number, because 43472393 - 2¹⁰ = 43471369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43472333) 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, 223988 + ... + 224181.

It is an arithmetic number, because the mean of its divisors is an integer number (10980165).

Almost surely, 2^43472393 is an apocalyptic number.

It is an amenable number.

43472393 is a deficient number, since it is larger than the sum of its proper divisors (448267).

43472393 is an equidigital number, since it uses as much as digits as its factorization.

43472393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448266.

The product of its digits is 54432, while the sum is 35.

The square root of 43472393 is about 6593.3597657037. The cubic root of 43472393 is about 351.6180672516.

It can be divided in two parts, 434 and 72393, that added together give a palindrome (72827).

The spelling of 43472393 in words is "forty-three million, four hundred seventy-two thousand, three hundred ninety-three".