2726145 has 24 divisors (see below), whose sum is σ = 4890600. Its totient is φ = 1403136.

The previous prime is 2726107. The next prime is 2726149. The reversal of 2726145 is 5416272.

It can be written as a sum of positive squares in 4 ways, for example, as 746496 + 1979649 = 864^2 + 1407^2 .

It is not a de Polignac number, because 2726145 - 2⁶ = 2726081 is a prime.

It is a super-2 number, since 2×2726145² = 14863733122050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁷ + 7⁶ + 2¹⁹ + 6 + 1 + 4 + 5⁹ .

2726145 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2726149) 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, 261 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (203775).

2^2726145 is an apocalyptic number.

It is an amenable number.

2726145 is a deficient number, since it is larger than the sum of its proper divisors (2164455).

2726145 is a wasteful number, since it uses less digits than its factorization.

2726145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2126 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2726145 is about 1651.1041759986. The cubic root of 2726145 is about 139.6956825229.

The spelling of 2726145 in words is "two million, seven hundred twenty-six thousand, one hundred forty-five".