2665772 has 12 divisors (see below), whose sum is σ = 4679136. Its totient is φ = 1328880.

The previous prime is 2665771. The next prime is 2665781. The reversal of 2665772 is 2775662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2665771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (389928).

2^2665772 is an apocalyptic number.

It is an amenable number.

2665772 is a deficient number, since it is larger than the sum of its proper divisors (2013364).

2665772 is a wasteful number, since it uses less digits than its factorization.

2665772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 2006 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 2665772 is about 1632.7192042724. The cubic root of 2665772 is about 138.6567449550.

The spelling of 2665772 in words is "two million, six hundred sixty-five thousand, seven hundred seventy-two".