43270947 has 18 divisors (see below), whose sum is σ = 64596636. Its totient is φ = 27911160.

The previous prime is 43270939. The next prime is 43270991. The reversal of 43270947 is 74907234.

It is not a de Polignac number, because 43270947 - 2³ = 43270939 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (43270247) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6148 + ... + 11150.

It is an arithmetic number, because the mean of its divisors is an integer number (3588702).

Almost surely, 2^43270947 is an apocalyptic number.

43270947 is a deficient number, since it is larger than the sum of its proper divisors (21325689).

43270947 is a wasteful number, since it uses less digits than its factorization.

43270947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071 (or 5037 counting only the distinct ones).

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

The square root of 43270947 is about 6578.0655971190. The cubic root of 43270947 is about 351.0741071275.

The spelling of 43270947 in words is "forty-three million, two hundred seventy thousand, nine hundred forty-seven".