7679998 has 4 divisors (see below), whose sum is σ = 11520000. Its totient is φ = 3839998.

The previous prime is 7679993. The next prime is 7680017. The reversal of 7679998 is 8999767.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7679993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1919998 + ... + 1920001.

It is an arithmetic number, because the mean of its divisors is an integer number (2880000).

Almost surely, 2^7679998 is an apocalyptic number.

7679998 is a deficient number, since it is larger than the sum of its proper divisors (3840002).

7679998 is a wasteful number, since it uses less digits than its factorization.

7679998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840001.

The product of its digits is 1714608, while the sum is 55.

The square root of 7679998 is about 2771.2809312663. The cubic root of 7679998 is about 197.2969488200.

The spelling of 7679998 in words is "seven million, six hundred seventy-nine thousand, nine hundred ninety-eight".