6986745 has 24 divisors (see below), whose sum is σ = 12824136. Its totient is φ = 3506688.

The previous prime is 6986731. The next prime is 6986753. The reversal of 6986745 is 5476896.

It can be written as a sum of positive squares in 4 ways, for example, as 2424249 + 4562496 = 1557^2 + 2136^2 .

It is not a de Polignac number, because 6986745 - 2⁴ = 6986729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6986745.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3802 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (534339).

Almost surely, 2^6986745 is an apocalyptic number.

It is an amenable number.

6986745 is a deficient number, since it is larger than the sum of its proper divisors (5837391).

6986745 is a wasteful number, since it uses less digits than its factorization.

6986745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9161 (or 9158 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 6986745 is about 2643.2451645657. The cubic root of 6986745 is about 191.1722995911.

The spelling of 6986745 in words is "six million, nine hundred eighty-six thousand, seven hundred forty-five".