2755729 has 4 divisors (see below), whose sum is σ = 2766960. Its totient is φ = 2744500.

The previous prime is 2755721. The next prime is 2755747. The reversal of 2755729 is 9275572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2755729 - 2³ = 2755721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2755721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5239 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (691740).

2^2755729 is an apocalyptic number.

It is an amenable number.

2755729 is a deficient number, since it is larger than the sum of its proper divisors (11231).

2755729 is a wasteful number, since it uses less digits than its factorization.

2755729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11230.

The product of its digits is 44100, while the sum is 37.

The square root of 2755729 is about 1660.0388549670. The cubic root of 2755729 is about 140.1991892522.

The spelling of 2755729 in words is "two million, seven hundred fifty-five thousand, seven hundred twenty-nine".