7669138 has 12 divisors (see below), whose sum is σ = 11827242. Its totient is φ = 3729600.

The previous prime is 7669087. The next prime is 7669163. The reversal of 7669138 is 8319667.

It can be written as a sum of positive squares in 3 ways, for example, as 7634169 + 34969 = 2763^2 + 187^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7669138.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1338 + ... + 4138.

Almost surely, 2^7669138 is an apocalyptic number.

7669138 is a deficient number, since it is larger than the sum of its proper divisors (4158104).

7669138 is a wasteful number, since it uses less digits than its factorization.

7669138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877 (or 2840 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 7669138 is about 2769.3208553723. The cubic root of 7669138 is about 197.2039081880.

It can be divided in two parts, 76691 and 38, that added together give a square (76729 = 277²).

The spelling of 7669138 in words is "seven million, six hundred sixty-nine thousand, one hundred thirty-eight".