2730426 has 16 divisors (see below), whose sum is σ = 5513184. Its totient is φ = 901424.

The previous prime is 2730397. The next prime is 2730439. The reversal of 2730426 is 6240372.

It is a super-2 number, since 2×2730426² = 14910452282952, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2³ + 7 + 3⁷ + 0 + 4¹⁰ + 2⁵ + 6⁸ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2730396 and 2730405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (344574).

2^2730426 is an apocalyptic number.

2730426 is an abundant number, since it is smaller than the sum of its proper divisors (2782758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2730426 is a wasteful number, since it uses less digits than its factorization.

2730426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 2730426 is about 1652.4000726216. The cubic root of 2730426 is about 139.7687679540.

Adding to 2730426 its reverse (6240372), we get a palindrome (8970798).

The spelling of 2730426 in words is "two million, seven hundred thirty thousand, four hundred twenty-six".