7502989 has 4 divisors (see below), whose sum is σ = 8080156. Its totient is φ = 6925824.

The previous prime is 7502983. The next prime is 7503017. The reversal of 7502989 is 9892057.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2350089 + 5152900 = 1533^2 + 2270^2 .

It is a cyclic number.

It is not a de Polignac number, because 7502989 - 2⁹ = 7502477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7502983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288564 + ... + 288589.

It is an arithmetic number, because the mean of its divisors is an integer number (2020039).

Almost surely, 2^7502989 is an apocalyptic number.

It is an amenable number.

7502989 is a deficient number, since it is larger than the sum of its proper divisors (577167).

7502989 is a wasteful number, since it uses less digits than its factorization.

7502989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577166.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 7502989 is about 2739.1584474068. The cubic root of 7502989 is about 195.7693820256.

The spelling of 7502989 in words is "seven million, five hundred two thousand, nine hundred eighty-nine".