2745481 has 8 divisors (see below), whose sum is σ = 2907200. Its totient is φ = 2585520.

The previous prime is 2745473. The next prime is 2745497. The reversal of 2745481 is 1845472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2745481 - 2³ = 2745473 is a prime.

It is a super-2 number, since 2×2745481² = 15075331842722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2745451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4036 + ... + 4666.

It is an arithmetic number, because the mean of its divisors is an integer number (363400).

2^2745481 is an apocalyptic number.

It is an amenable number.

2745481 is a deficient number, since it is larger than the sum of its proper divisors (161719).

2745481 is a wasteful number, since it uses less digits than its factorization.

2745481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its digits is 8960, while the sum is 31.

The square root of 2745481 is about 1656.9493051992. The cubic root of 2745481 is about 140.0251825448.

Subtracting from 2745481 its reverse (1845472), we obtain a palindrome (900009).

The spelling of 2745481 in words is "two million, seven hundred forty-five thousand, four hundred eighty-one".