7489579 has 2 divisors, whose sum is σ = 7489580. Its totient is φ = 7489578.

The previous prime is 7489567. The next prime is 7489607. The reversal of 7489579 is 9759847.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9759847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7489579 - 2⁹ = 7489067 is a prime.

It is not a weakly prime, because it can be changed into another prime (7489529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3744789 + 3744790.

It is an arithmetic number, because the mean of its divisors is an integer number (3744790).

Almost surely, 2^7489579 is an apocalyptic number.

7489579 is a deficient number, since it is larger than the sum of its proper divisors (1).

7489579 is an equidigital number, since it uses as much as digits as its factorization.

7489579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 49.

The square root of 7489579 is about 2736.7095205739. The cubic root of 7489579 is about 195.6526804016.

The spelling of 7489579 in words is "seven million, four hundred eighty-nine thousand, five hundred seventy-nine".