2730169 has 12 divisors (see below), whose sum is σ = 3081316. Its totient is φ = 2404512.

The previous prime is 2730157. The next prime is 2730173. The reversal of 2730169 is 9610372.

2730169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1071225 + 1658944 = 1035^2 + 1288^2 .

It is not a de Polignac number, because 2730169 - 2⁷ = 2730041 is a prime.

It is a super-2 number, since 2×2730169² = 14907645537122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6679 + ... + 7075.

2^2730169 is an apocalyptic number.

It is an amenable number.

2730169 is a deficient number, since it is larger than the sum of its proper divisors (351147).

2730169 is a wasteful number, since it uses less digits than its factorization.

2730169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2730169 is about 1652.3223051209. The cubic root of 2730169 is about 139.7643825943.

The spelling of 2730169 in words is "two million, seven hundred thirty thousand, one hundred sixty-nine".