2747481 has 8 divisors (see below), whose sum is σ = 3996384. Its totient is φ = 1665120.

The previous prime is 2747473. The next prime is 2747483. The reversal of 2747481 is 1847472.

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

It is not a de Polignac number, because 2747481 - 2³ = 2747473 is a prime.

It is a super-2 number, since 2×2747481² = 15097303690722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 83257 = 2747481 / (2 + 7 + 4 + 7 + 4 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (2747483) 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, 41596 + ... + 41661.

It is an arithmetic number, because the mean of its divisors is an integer number (499548).

2^2747481 is an apocalyptic number.

It is an amenable number.

2747481 is a deficient number, since it is larger than the sum of its proper divisors (1248903).

2747481 is a wasteful number, since it uses less digits than its factorization.

2747481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83271.

The product of its digits is 12544, while the sum is 33.

The square root of 2747481 is about 1657.5527140939. The cubic root of 2747481 is about 140.0591756642.

Subtracting from 2747481 its reverse (1847472), we obtain a palindrome (900009).

The spelling of 2747481 in words is "two million, seven hundred forty-seven thousand, four hundred eighty-one".