43272297 has 6 divisors (see below), whose sum is σ = 62504442. Its totient is φ = 28848192.

The previous prime is 43272287. The next prime is 43272323. The reversal of 43272297 is 79227234.

It can be written as a sum of positive squares in only one way, i.e., 28132416 + 15139881 = 5304^2 + 3891^2 .

It is not a de Polignac number, because 43272297 - 2⁸ = 43272041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43272227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2404008 + ... + 2404025.

It is an arithmetic number, because the mean of its divisors is an integer number (10417407).

Almost surely, 2^43272297 is an apocalyptic number.

It is an amenable number.

43272297 is a deficient number, since it is larger than the sum of its proper divisors (19232145).

43272297 is a wasteful number, since it uses less digits than its factorization.

43272297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808039 (or 4808036 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 43272297 is about 6578.1682100719. The cubic root of 43272297 is about 351.0777581155.

The spelling of 43272297 in words is "forty-three million, two hundred seventy-two thousand, two hundred ninety-seven".