2665748 has 6 divisors (see below), whose sum is σ = 4665066. Its totient is φ = 1332872.

The previous prime is 2665727. The next prime is 2665763. The reversal of 2665748 is 8475662.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2365444 + 300304 = 1538^2 + 548^2 .

It is a d-powerful number, because it can be written as 2¹³ + 6⁷ + 6⁷ + 5³ + 7³ + 4³ + 8⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333215 + ... + 333222.

It is an arithmetic number, because the mean of its divisors is an integer number (777511).

2^2665748 is an apocalyptic number.

It is an amenable number.

2665748 is a deficient number, since it is larger than the sum of its proper divisors (1999318).

2665748 is a wasteful number, since it uses less digits than its factorization.

2665748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666441 (or 666439 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 2665748 is about 1632.7118545536. The cubic root of 2665748 is about 138.6563288439.

The spelling of 2665748 in words is "two million, six hundred sixty-five thousand, seven hundred forty-eight".