2757742 has 24 divisors (see below), whose sum is σ = 4611600. Its totient is φ = 1235520.

The previous prime is 2757731. The next prime is 2757743. The reversal of 2757742 is 2477572.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2757698 and 2757707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2757743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13759 + ... + 13957.

It is an arithmetic number, because the mean of its divisors is an integer number (192150).

2^2757742 is an apocalyptic number.

2757742 is a deficient number, since it is larger than the sum of its proper divisors (1853858).

2757742 is a wasteful number, since it uses less digits than its factorization.

2757742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 255 counting only the distinct ones).

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

The square root of 2757742 is about 1660.6450553926. The cubic root of 2757742 is about 140.2333184278.

The spelling of 2757742 in words is "two million, seven hundred fifty-seven thousand, seven hundred forty-two".