47207689 has 2 divisors, whose sum is σ = 47207690. Its totient is φ = 47207688.

The previous prime is 47207653. The next prime is 47207747. The reversal of 47207689 is 98670274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 5798464 = 6435^2 + 2408^2 .

It is a cyclic number.

It is not a de Polignac number, because 47207689 - 2⁷ = 47207561 is a prime.

It is not a weakly prime, because it can be changed into another prime (47207639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23603844 + 23603845.

It is an arithmetic number, because the mean of its divisors is an integer number (23603845).

Almost surely, 2^47207689 is an apocalyptic number.

It is an amenable number.

47207689 is a deficient number, since it is larger than the sum of its proper divisors (1).

47207689 is an equidigital number, since it uses as much as digits as its factorization.

47207689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 47207689 is about 6870.7851807490. The cubic root of 47207689 is about 361.4133967869.

The spelling of 47207689 in words is "forty-seven million, two hundred seven thousand, six hundred eighty-nine".