7489489 has 4 divisors (see below), whose sum is σ = 8559424. Its totient is φ = 6419556.

The previous prime is 7489481. The next prime is 7489501. The reversal of 7489489 is 9849847.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7489489 - 2³ = 7489481 is a prime.

It is a super-2 number, since 2×7489489² = 112184890962242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7489481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534957 + ... + 534970.

It is an arithmetic number, because the mean of its divisors is an integer number (2139856).

Almost surely, 2^7489489 is an apocalyptic number.

It is an amenable number.

7489489 is a deficient number, since it is larger than the sum of its proper divisors (1069935).

7489489 is a wasteful number, since it uses less digits than its factorization.

7489489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069934.

The product of its digits is 580608, while the sum is 49.

The square root of 7489489 is about 2736.6930774203. The cubic root of 7489489 is about 195.6518966988.

The spelling of 7489489 in words is "seven million, four hundred eighty-nine thousand, four hundred eighty-nine".