7688242 has 4 divisors (see below), whose sum is σ = 11532366. Its totient is φ = 3844120.

The previous prime is 7688237. The next prime is 7688243. The reversal of 7688242 is 2428867.

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

It can be written as a sum of positive squares in only one way, i.e., 7678441 + 9801 = 2771^2 + 99^2 .

It is a super-3 number, since 3×7688242³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7688243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922059 + ... + 1922062.

Almost surely, 2^7688242 is an apocalyptic number.

7688242 is a deficient number, since it is larger than the sum of its proper divisors (3844124).

7688242 is a wasteful number, since it uses less digits than its factorization.

7688242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844123.

The product of its digits is 43008, while the sum is 37.

The square root of 7688242 is about 2772.7679311475. The cubic root of 7688242 is about 197.3675189080.

It can be divided in two parts, 7688 and 242, that multiplied together give a square (1860496 = 1364²).

The spelling of 7688242 in words is "seven million, six hundred eighty-eight thousand, two hundred forty-two".