7268638 has 16 divisors (see below), whose sum is σ = 11936736. Its totient is φ = 3299040.

The previous prime is 7268633. The next prime is 7268641. The reversal of 7268638 is 8368627.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7268638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7268633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706 + ... + 3877.

It is an arithmetic number, because the mean of its divisors is an integer number (746046).

Almost surely, 2^7268638 is an apocalyptic number.

7268638 is a deficient number, since it is larger than the sum of its proper divisors (4668098).

7268638 is a wasteful number, since it uses less digits than its factorization.

7268638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659.

The product of its digits is 96768, while the sum is 40.

The square root of 7268638 is about 2696.0411717924. The cubic root of 7268638 is about 193.7095416042.

The spelling of 7268638 in words is "seven million, two hundred sixty-eight thousand, six hundred thirty-eight".