2045673 has 24 divisors (see below), whose sum is σ = 3556800. Its totient is φ = 1106784.

The previous prime is 2045669. The next prime is 2045677. The reversal of 2045673 is 3765402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2045669) and next prime (2045677).

It is not a de Polignac number, because 2045673 - 2² = 2045669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (148200).

2^2045673 is an apocalyptic number.

It is an amenable number.

2045673 is a deficient number, since it is larger than the sum of its proper divisors (1511127).

2045673 is a wasteful number, since it uses less digits than its factorization.

2045673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2045673 is about 1430.2702541828. The cubic root of 2045673 is about 126.9439685043.

The spelling of 2045673 in words is "two million, forty-five thousand, six hundred seventy-three".