7264489 has 2 divisors, whose sum is σ = 7264490. Its totient is φ = 7264488.

The previous prime is 7264399. The next prime is 7264501. The reversal of 7264489 is 9844627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4347225 + 2917264 = 2085^2 + 1708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7264489 is a prime.

It is a super-2 number, since 2×7264489² = 105545600862242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7264189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3632244 + 3632245.

It is an arithmetic number, because the mean of its divisors is an integer number (3632245).

Almost surely, 2^7264489 is an apocalyptic number.

It is an amenable number.

7264489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7264489 is an equidigital number, since it uses as much as digits as its factorization.

7264489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 7264489 is about 2695.2716004143. The cubic root of 7264489 is about 193.6726775747.

The spelling of 7264489 in words is "seven million, two hundred sixty-four thousand, four hundred eighty-nine".