2705427 has 16 divisors (see below), whose sum is σ = 4053280. Its totient is φ = 1783296.

The previous prime is 2705419. The next prime is 2705441. The reversal of 2705427 is 7245072.

It is not a de Polignac number, because 2705427 - 2³ = 2705419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2705427.

It is not an unprimeable number, because it can be changed into a prime (2705447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2103 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (253330).

2^2705427 is an apocalyptic number.

2705427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2705427 is a deficient number, since it is larger than the sum of its proper divisors (1347853).

2705427 is a wasteful number, since it uses less digits than its factorization.

2705427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2705427 is about 1644.8182270391. The cubic root of 2705427 is about 139.3408985054.

The spelling of 2705427 in words is "two million, seven hundred five thousand, four hundred twenty-seven".