6672565 has 16 divisors (see below), whose sum is σ = 8242416. Its totient is φ = 5184000.

The previous prime is 6672563. The next prime is 6672569. The reversal of 6672565 is 5652766.

It can be written as a sum of positive squares in 8 ways, for example, as 47089 + 6625476 = 217^2 + 2574^2 .

It is not a de Polignac number, because 6672565 - 2¹ = 6672563 is a prime.

It is a Duffinian number.

Its product of digits (75600) is a multiple of the sum of its prime divisors (360).

6672565 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6672563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36775 + ... + 36955.

It is an arithmetic number, because the mean of its divisors is an integer number (515151).

Almost surely, 2^6672565 is an apocalyptic number.

It is an amenable number.

6672565 is a deficient number, since it is larger than the sum of its proper divisors (1569851).

6672565 is a wasteful number, since it uses less digits than its factorization.

6672565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its digits is 75600, while the sum is 37.

The square root of 6672565 is about 2583.1308522798. The cubic root of 6672565 is about 188.2626948565.

The spelling of 6672565 in words is "six million, six hundred seventy-two thousand, five hundred sixty-five".