7479289 has 2 divisors, whose sum is σ = 7479290. Its totient is φ = 7479288.

The previous prime is 7479281. The next prime is 7479299. The reversal of 7479289 is 9829747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7469289 + 10000 = 2733^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 7479289 - 2³ = 7479281 is a prime.

7479289 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7479281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3739644 + 3739645.

It is an arithmetic number, because the mean of its divisors is an integer number (3739645).

Almost surely, 2^7479289 is an apocalyptic number.

It is an amenable number.

7479289 is a deficient number, since it is larger than the sum of its proper divisors (1).

7479289 is an equidigital number, since it uses as much as digits as its factorization.

7479289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The square root of 7479289 is about 2734.8288794731. The cubic root of 7479289 is about 195.5630363419.

The spelling of 7479289 in words is "seven million, four hundred seventy-nine thousand, two hundred eighty-nine".