747285449 has 2 divisors, whose sum is σ = 747285450. Its totient is φ = 747285448.

The previous prime is 747285403. The next prime is 747285457. The reversal of 747285449 is 944582747.

It is a happy number.

747285449 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 can be written as a sum of positive squares in only one way, i.e., 744198400 + 3087049 = 27280^2 + 1757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747285449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 747285397 and 747285406.

It is not a weakly prime, because it can be changed into another prime (747281449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373642724 + 373642725.

It is an arithmetic number, because the mean of its divisors is an integer number (373642725).

Almost surely, 2^747285449 is an apocalyptic number.

It is an amenable number.

747285449 is a deficient number, since it is larger than the sum of its proper divisors (1).

747285449 is an equidigital number, since it uses as much as digits as its factorization.

747285449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 50.

The square root of 747285449 is about 27336.5222550346. The cubic root of 747285449 is about 907.4628231677.

The spelling of 747285449 in words is "seven hundred forty-seven million, two hundred eighty-five thousand, four hundred forty-nine".