6979545 has 24 divisors (see below), whose sum is σ = 12382656. Its totient is φ = 3634848.

The previous prime is 6979543. The next prime is 6979561. The reversal of 6979545 is 5459796.

It is a happy number.

It is not a de Polignac number, because 6979545 - 2¹ = 6979543 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 6979545.

It is not an unprimeable number, because it can be changed into a prime (6979543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132 + ... + 3738.

It is an arithmetic number, because the mean of its divisors is an integer number (515944).

Almost surely, 2^6979545 is an apocalyptic number.

It is an amenable number.

6979545 is a deficient number, since it is larger than the sum of its proper divisors (5403111).

6979545 is a wasteful number, since it uses less digits than its factorization.

6979545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661 (or 3658 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 6979545 is about 2641.8828513013. The cubic root of 6979545 is about 191.1066078827.

The spelling of 6979545 in words is "six million, nine hundred seventy-nine thousand, five hundred forty-five".