7089491 has 4 divisors (see below), whose sum is σ = 7120152. Its totient is φ = 7058832.

The previous prime is 7089463. The next prime is 7089517. The reversal of 7089491 is 1949807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1949807 = 31 ⋅62897.

It is a cyclic number.

It is not a de Polignac number, because 7089491 - 2¹⁰ = 7088467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7089431) 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, 14981 + ... + 15446.

It is an arithmetic number, because the mean of its divisors is an integer number (1780038).

Almost surely, 2^7089491 is an apocalyptic number.

7089491 is a deficient number, since it is larger than the sum of its proper divisors (30661).

7089491 is a wasteful number, since it uses less digits than its factorization.

7089491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30660.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 7089491 is about 2662.6098099421. The cubic root of 7089491 is about 192.1048598939.

The spelling of 7089491 in words is "seven million, eighty-nine thousand, four hundred ninety-one".