43472213 has 8 divisors (see below), whose sum is σ = 46717632. Its totient is φ = 40303296.

The previous prime is 43472207. The next prime is 43472249. The reversal of 43472213 is 31227434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43472213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43472293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17945 + ... + 20222.

It is an arithmetic number, because the mean of its divisors is an integer number (5839704).

Almost surely, 2^43472213 is an apocalyptic number.

It is an amenable number.

43472213 is a deficient number, since it is larger than the sum of its proper divisors (3245419).

43472213 is a wasteful number, since it uses less digits than its factorization.

43472213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38251.

The product of its digits is 4032, while the sum is 26.

The square root of 43472213 is about 6593.3461155926. The cubic root of 43472213 is about 351.6175819525.

Adding to 43472213 its reverse (31227434), we get a palindrome (74699647).

The spelling of 43472213 in words is "forty-three million, four hundred seventy-two thousand, two hundred thirteen".