7679642 has 8 divisors (see below), whose sum is σ = 11556756. Its totient is φ = 3827392.

The previous prime is 7679627. The next prime is 7679653. The reversal of 7679642 is 2469767.

It can be written as a sum of positive squares in 2 ways, for example, as 6661561 + 1018081 = 2581^2 + 1009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7679642.

It is an unprimeable number.

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, 5423 + ... + 6690.

Almost surely, 2^7679642 is an apocalyptic number.

7679642 is a deficient number, since it is larger than the sum of its proper divisors (3877114).

7679642 is a wasteful number, since it uses less digits than its factorization.

7679642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12432.

The product of its digits is 127008, while the sum is 41.

The square root of 7679642 is about 2771.2167002961. The cubic root of 7679642 is about 197.2939002602.

The spelling of 7679642 in words is "seven million, six hundred seventy-nine thousand, six hundred forty-two".