2757427 has 6 divisors (see below), whose sum is σ = 2801924. Its totient is φ = 2713620.

The previous prime is 2757397. The next prime is 2757437. The reversal of 2757427 is 7247572.

It is a de Polignac number, because none of the positive numbers 2^k-2757427 is a prime.

It is a Duffinian number.

2757427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2757392 and 2757401.

It is not an unprimeable number, because it can be changed into a prime (2757437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4768 + ... + 5314.

2^2757427 is an apocalyptic number.

2757427 is a deficient number, since it is larger than the sum of its proper divisors (44497).

2757427 is an frugal number, since it uses more digits than its factorization.

2757427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 618 counting only the distinct ones).

The product of its digits is 27440, while the sum is 34.

The square root of 2757427 is about 1660.5502100208. The cubic root of 2757427 is about 140.2279788931.

The spelling of 2757427 in words is "two million, seven hundred fifty-seven thousand, four hundred twenty-seven".