2725090 has 16 divisors (see below), whose sum is σ = 4973688. Its totient is φ = 1074816.

The previous prime is 2725057. The next prime is 2725127. The reversal of 2725090 is 905272.

It can be written as a sum of positive squares in 4 ways, for example, as 2301289 + 423801 = 1517^2 + 651^2 .

It is a super-2 number, since 2×2725090² = 14852231016200, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

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, 1137 + ... + 2596.

2^2725090 is an apocalyptic number.

2725090 is a deficient number, since it is larger than the sum of its proper divisors (2248598).

2725090 is a wasteful number, since it uses less digits than its factorization.

2725090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2725090 is about 1650.7846619108. The cubic root of 2725090 is about 139.6776597642.

The spelling of 2725090 in words is "two million, seven hundred twenty-five thousand, ninety".