7468638 has 16 divisors (see below), whose sum is σ = 14964096. Its totient is φ = 2485080.

The previous prime is 7468619. The next prime is 7468651. The reversal of 7468638 is 8368647.

It is a d-powerful number, because it can be written as 7³ + 4¹¹ + 6² + 8 + 6⁸ + 3¹³ + 8 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7468638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5793 + ... + 6963.

It is an arithmetic number, because the mean of its divisors is an integer number (935256).

Almost surely, 2^7468638 is an apocalyptic number.

7468638 is an abundant number, since it is smaller than the sum of its proper divisors (7495458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7468638 is a wasteful number, since it uses less digits than its factorization.

7468638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239.

The product of its digits is 193536, while the sum is 42.

The square root of 7468638 is about 2732.8808975146. The cubic root of 7468638 is about 195.4701606942.

Subtracting 7468638 from its reverse (8368647), we obtain a palindrome (900009).

The spelling of 7468638 in words is "seven million, four hundred sixty-eight thousand, six hundred thirty-eight".