7489969 has 4 divisors (see below), whose sum is σ = 7495540. Its totient is φ = 7484400.

The previous prime is 7489957. The next prime is 7489981. The reversal of 7489969 is 9699847.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9699847 = 1361 ⋅7127.

It is an interprime number because it is at equal distance from previous prime (7489957) and next prime (7489981).

It can be written as a sum of positive squares in 2 ways, for example, as 833569 + 6656400 = 913^2 + 2580^2 .

It is a cyclic number.

It is not a de Polignac number, because 7489969 - 2⁷ = 7489841 is a prime.

It is a super-2 number, since 2×7489969² = 112199271241922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7489919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619 + ... + 3919.

It is an arithmetic number, because the mean of its divisors is an integer number (1873885).

Almost surely, 2^7489969 is an apocalyptic number.

It is an amenable number.

7489969 is a deficient number, since it is larger than the sum of its proper divisors (5571).

7489969 is a wasteful number, since it uses less digits than its factorization.

7489969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570.

The product of its digits is 979776, while the sum is 52.

The square root of 7489969 is about 2736.7807730982. The cubic root of 7489969 is about 195.6560763745.

The spelling of 7489969 in words is "seven million, four hundred eighty-nine thousand, nine hundred sixty-nine".