6987579 has 8 divisors (see below), whose sum is σ = 9638160. Its totient is φ = 4497696.

The previous prime is 6987557. The next prime is 6987583. The reversal of 6987579 is 9757896.

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

It is not a de Polignac number, because 6987579 - 2⁷ = 6987451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6987509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40072 + ... + 40245.

It is an arithmetic number, because the mean of its divisors is an integer number (1204770).

Almost surely, 2^6987579 is an apocalyptic number.

6987579 is a deficient number, since it is larger than the sum of its proper divisors (2650581).

6987579 is a wasteful number, since it uses less digits than its factorization.

6987579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80349.

The product of its digits is 952560, while the sum is 51.

The square root of 6987579 is about 2643.4029204796. The cubic root of 6987579 is about 191.1799059636.

The spelling of 6987579 in words is "six million, nine hundred eighty-seven thousand, five hundred seventy-nine".