7447049 has 2 divisors, whose sum is σ = 7447050. Its totient is φ = 7447048.

The previous prime is 7447043. The next prime is 7447051. The reversal of 7447049 is 9407447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5929225 + 1517824 = 2435^2 + 1232^2 .

It is a cyclic number.

It is not a de Polignac number, because 7447049 - 2⁸ = 7446793 is a prime.

Together with 7447051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7447043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3723524 + 3723525.

It is an arithmetic number, because the mean of its divisors is an integer number (3723525).

Almost surely, 2^7447049 is an apocalyptic number.

It is an amenable number.

7447049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7447049 is an equidigital number, since it uses as much as digits as its factorization.

7447049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 7447049 is about 2728.9281778750. The cubic root of 7447049 is about 195.2816355581.

The spelling of 7447049 in words is "seven million, four hundred forty-seven thousand, forty-nine".