43472971 has 2 divisors, whose sum is σ = 43472972. Its totient is φ = 43472970.

The previous prime is 43472951. The next prime is 43472983. The reversal of 43472971 is 17927434.

43472971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43472971 - 2⁷ = 43472843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43472971.

It is not a weakly prime, because it can be changed into another prime (43472951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21736485 + 21736486.

It is an arithmetic number, because the mean of its divisors is an integer number (21736486).

Almost surely, 2^43472971 is an apocalyptic number.

43472971 is a deficient number, since it is larger than the sum of its proper divisors (1).

43472971 is an equidigital number, since it uses as much as digits as its factorization.

43472971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 43472971 is about 6593.4035975359. The cubic root of 43472971 is about 351.6196255919.

The spelling of 43472971 in words is "forty-three million, four hundred seventy-two thousand, nine hundred seventy-one".