7634689 has 4 divisors (see below), whose sum is σ = 7966656. Its totient is φ = 7302724.

The previous prime is 7634681. The next prime is 7634719. The reversal of 7634689 is 9864367.

It is a happy number.

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 7634689 - 2³ = 7634681 is a prime.

It is a super-2 number, since 2×7634689² = 116576952253442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7634681) 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, 165949 + ... + 165994.

It is an arithmetic number, because the mean of its divisors is an integer number (1991664).

Almost surely, 2^7634689 is an apocalyptic number.

It is an amenable number.

7634689 is a deficient number, since it is larger than the sum of its proper divisors (331967).

7634689 is a wasteful number, since it uses less digits than its factorization.

7634689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331966.

The product of its digits is 217728, while the sum is 43.

The square root of 7634689 is about 2763.0940990129. The cubic root of 7634689 is about 196.9081915652.

The spelling of 7634689 in words is "seven million, six hundred thirty-four thousand, six hundred eighty-nine".