2742949 has 6 divisors (see below), whose sum is σ = 3015110. Its totient is φ = 2493480.

The previous prime is 2742937. The next prime is 2742953. The reversal of 2742949 is 9492472.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 20449 = 1650^2 + 143^2 .

It is not a de Polignac number, because 2742949 - 2⁵ = 2742917 is a prime.

It is a Duffinian number.

2742949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742919) 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, 11214 + ... + 11455.

2^2742949 is an apocalyptic number.

It is an amenable number.

2742949 is a deficient number, since it is larger than the sum of its proper divisors (272161).

2742949 is a wasteful number, since it uses less digits than its factorization.

2742949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22691 (or 22680 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 2742949 is about 1656.1850741991. The cubic root of 2742949 is about 139.9821235678.

It can be divided in two parts, 274 and 2949, that added together give a palindrome (3223).

The spelling of 2742949 in words is "two million, seven hundred forty-two thousand, nine hundred forty-nine".