2758742 has 16 divisors (see below), whose sum is σ = 4758432. Its totient is φ = 1175040.

The previous prime is 2758711. The next prime is 2758771. The reversal of 2758742 is 2478572.

It is a super-2 number, since 2×2758742² = 15221314845128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2192 + ... + 3212.

It is an arithmetic number, because the mean of its divisors is an integer number (297402).

2^2758742 is an apocalyptic number.

2758742 is a deficient number, since it is larger than the sum of its proper divisors (1999690).

2758742 is a wasteful number, since it uses less digits than its factorization.

2758742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its digits is 31360, while the sum is 35.

The square root of 2758742 is about 1660.9461159231. The cubic root of 2758742 is about 140.2502666378.

The spelling of 2758742 in words is "two million, seven hundred fifty-eight thousand, seven hundred forty-two".