7643089 has 4 divisors (see below), whose sum is σ = 7689024. Its totient is φ = 7597156.

The previous prime is 7643063. The next prime is 7643123. The reversal of 7643089 is 9803467.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9803467 = 71 ⋅138077.

It is a cyclic number.

It is not a de Polignac number, because 7643089 - 2⁵ = 7643057 is a prime.

It is a Duffinian number.

7643089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7643029) 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, 22717 + ... + 23050.

It is an arithmetic number, because the mean of its divisors is an integer number (1922256).

Almost surely, 2^7643089 is an apocalyptic number.

It is an amenable number.

7643089 is a deficient number, since it is larger than the sum of its proper divisors (45935).

7643089 is a wasteful number, since it uses less digits than its factorization.

7643089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45934.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 7643089 is about 2764.6137162360. The cubic root of 7643089 is about 196.9803806035.

The spelling of 7643089 in words is "seven million, six hundred forty-three thousand, eighty-nine".