2745575 has 24 divisors (see below), whose sum is σ = 4032480. Its totient is φ = 1814400.

The previous prime is 2745571. The next prime is 2745581. The reversal of 2745575 is 5755472.

It is a happy number.

It is not a de Polignac number, because 2745575 - 2² = 2745571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4805 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (168020).

2^2745575 is an apocalyptic number.

2745575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2745575 is a deficient number, since it is larger than the sum of its proper divisors (1286905).

2745575 is a wasteful number, since it uses less digits than its factorization.

2745575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 582 counting only the distinct ones).

The product of its digits is 49000, while the sum is 35.

The square root of 2745575 is about 1656.9776703384. The cubic root of 2745575 is about 140.0267805911.

The spelling of 2745575 in words is "two million, seven hundred forty-five thousand, five hundred seventy-five".