2740142 has 8 divisors (see below), whose sum is σ = 4326600. Its totient is φ = 1297944.

The previous prime is 2740141. The next prime is 2740169. The reversal of 2740142 is 2410472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740141) 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, 36017 + ... + 36092.

It is an arithmetic number, because the mean of its divisors is an integer number (540825).

2^2740142 is an apocalyptic number.

2740142 is a deficient number, since it is larger than the sum of its proper divisors (1586458).

2740142 is a wasteful number, since it uses less digits than its factorization.

2740142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72130.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2740142 is about 1655.3374278376. The cubic root of 2740142 is about 139.9343569813.

It can be divided in two parts, 2740 and 142, that added together give a palindrome (2882).

The spelling of 2740142 in words is "two million, seven hundred forty thousand, one hundred forty-two".