2672665 has 16 divisors (see below), whose sum is σ = 3396096. Its totient is φ = 2016000.

The previous prime is 2672639. The next prime is 2672671. The reversal of 2672665 is 5662762.

2672665 = 228² + 229² + ... + 270².

It is a happy number.

It is not a de Polignac number, because 2672665 - 2⁵ = 2672633 is a prime.

It is a Duffinian number.

Its product of digits (30240) is a multiple of the sum of its prime divisors (480).

It is a self number, because there is not a number n which added to its sum of digits gives 2672665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6465 + ... + 6865.

It is an arithmetic number, because the mean of its divisors is an integer number (212256).

2^2672665 is an apocalyptic number.

It is an amenable number.

2672665 is a deficient number, since it is larger than the sum of its proper divisors (723431).

2672665 is a wasteful number, since it uses less digits than its factorization.

2672665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its digits is 30240, while the sum is 34.

The square root of 2672665 is about 1634.8287372077. The cubic root of 2672665 is about 138.7761523087.

The spelling of 2672665 in words is "two million, six hundred seventy-two thousand, six hundred sixty-five".