2705481 has 20 divisors (see below), whose sum is σ = 4088832. Its totient is φ = 1782648.

The previous prime is 2705471. The next prime is 2705509. The reversal of 2705481 is 1845072.

It is not a de Polignac number, because 2705481 - 2⁹ = 2704969 is a prime.

It is a super-2 number, since 2×2705481² = 14639254882722, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2705441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10156 + ... + 10418.

2^2705481 is an apocalyptic number.

It is an amenable number.

2705481 is a deficient number, since it is larger than the sum of its proper divisors (1383351).

2705481 is a wasteful number, since it uses less digits than its factorization.

2705481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2705481 is about 1644.8346421449. The cubic root of 2705481 is about 139.3418255751.

The spelling of 2705481 in words is "two million, seven hundred five thousand, four hundred eighty-one".