2672445 has 16 divisors (see below), whose sum is σ = 4501440. Its totient is φ = 1350144.

The previous prime is 2672443. The next prime is 2672477. The reversal of 2672445 is 5442762.

2672445 = 366² + 367² + ... + 384².

It is not a de Polignac number, because 2672445 - 2¹ = 2672443 is a prime.

2672445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2672443) 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, 4404 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (281340).

2^2672445 is an apocalyptic number.

It is an amenable number.

2672445 is a deficient number, since it is larger than the sum of its proper divisors (1828995).

2672445 is a wasteful number, since it uses less digits than its factorization.

2672445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9404.

The product of its digits is 13440, while the sum is 30.

The square root of 2672445 is about 1634.7614504875. The cubic root of 2672445 is about 138.7723444251.

The spelling of 2672445 in words is "two million, six hundred seventy-two thousand, four hundred forty-five".