2756481 has 32 divisors (see below), whose sum is σ = 4730880. Its totient is φ = 1387584.

The previous prime is 2756459. The next prime is 2756483. The reversal of 2756481 is 1846572.

It is not a de Polignac number, because 2756481 - 2⁶ = 2756417 is a prime.

It is a super-2 number, since 2×2756481² = 15196375006722, which contains 22 as substring.

2756481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2756483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6060 + ... + 6498.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

2^2756481 is an apocalyptic number.

2756481 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2756481 is a deficient number, since it is larger than the sum of its proper divisors (1974399).

2756481 is a wasteful number, since it uses less digits than its factorization.

2756481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its digits is 13440, while the sum is 33.

The square root of 2756481 is about 1660.2653402393. The cubic root of 2756481 is about 140.2119408933.

Subtracting from 2756481 its reverse (1846572), we obtain a palindrome (909909).

The spelling of 2756481 in words is "two million, seven hundred fifty-six thousand, four hundred eighty-one".