7668998 has 4 divisors (see below), whose sum is σ = 11503500. Its totient is φ = 3834498.

The previous prime is 7668977. The next prime is 7669001. The reversal of 7668998 is 8998667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8998667 = 47 ⋅191461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917248 + ... + 1917251.

It is an arithmetic number, because the mean of its divisors is an integer number (2875875).

Almost surely, 2^7668998 is an apocalyptic number.

7668998 is a deficient number, since it is larger than the sum of its proper divisors (3834502).

7668998 is a wasteful number, since it uses less digits than its factorization.

7668998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834501.

The product of its digits is 1306368, while the sum is 53.

The square root of 7668998 is about 2769.2955783015. The cubic root of 7668998 is about 197.2027081959.

The spelling of 7668998 in words is "seven million, six hundred sixty-eight thousand, nine hundred ninety-eight".