7489847 has 2 divisors, whose sum is σ = 7489848. Its totient is φ = 7489846.

The previous prime is 7489841. The next prime is 7489849.

7489847 is nontrivially palindromic in base 10.

7489847 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 7489847 - 2¹⁴ = 7473463 is a prime.

Together with 7489849, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7489841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3744923 + 3744924.

It is an arithmetic number, because the mean of its divisors is an integer number (3744924).

Almost surely, 2^7489847 is an apocalyptic number.

7489847 is a deficient number, since it is larger than the sum of its proper divisors (1).

7489847 is an equidigital number, since it uses as much as digits as its factorization.

7489847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 47.

The square root of 7489847 is about 2736.7584840464. The cubic root of 7489847 is about 195.6550140572.

The spelling of 7489847 in words is "seven million, four hundred eighty-nine thousand, eight hundred forty-seven".