7087489 has 4 divisors (see below), whose sum is σ = 7143424. Its totient is φ = 7031556.

The previous prime is 7087481. The next prime is 7087501. The reversal of 7087489 is 9847807.

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 7087489 - 2³ = 7087481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7087481) 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, 27777 + ... + 28030.

It is an arithmetic number, because the mean of its divisors is an integer number (1785856).

Almost surely, 2^7087489 is an apocalyptic number.

It is an amenable number.

7087489 is a deficient number, since it is larger than the sum of its proper divisors (55935).

7087489 is a wasteful number, since it uses less digits than its factorization.

7087489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55934.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 7087489 is about 2662.2338364614. The cubic root of 7087489 is about 192.0867753733.

The spelling of 7087489 in words is "seven million, eighty-seven thousand, four hundred eighty-nine".