43472287 has 2 divisors, whose sum is σ = 43472288. Its totient is φ = 43472286.

The previous prime is 43472249. The next prime is 43472291. The reversal of 43472287 is 78227434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43472287 - 2⁷ = 43472159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43472207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21736143 + 21736144.

It is an arithmetic number, because the mean of its divisors is an integer number (21736144).

Almost surely, 2^43472287 is an apocalyptic number.

43472287 is a deficient number, since it is larger than the sum of its proper divisors (1).

43472287 is an equidigital number, since it uses as much as digits as its factorization.

43472287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 37.

The square root of 43472287 is about 6593.3517273083. The cubic root of 43472287 is about 351.6177814645.

The spelling of 43472287 in words is "forty-three million, four hundred seventy-two thousand, two hundred eighty-seven".