7648423 has 4 divisors (see below), whose sum is σ = 7673328. Its totient is φ = 7623520.

The previous prime is 7648411. The next prime is 7648439. The reversal of 7648423 is 3248467.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7648423 - 2⁵ = 7648391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7648463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11986 + ... + 12607.

It is an arithmetic number, because the mean of its divisors is an integer number (1918332).

Almost surely, 2^7648423 is an apocalyptic number.

7648423 is a deficient number, since it is larger than the sum of its proper divisors (24905).

7648423 is a wasteful number, since it uses less digits than its factorization.

7648423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24904.

The product of its digits is 32256, while the sum is 34.

The square root of 7648423 is about 2765.5782397177. The cubic root of 7648423 is about 197.0261931898.

Subtracting from 7648423 its product of digits (32256), we obtain a palindrome (7616167).

The spelling of 7648423 in words is "seven million, six hundred forty-eight thousand, four hundred twenty-three".