2742490 has 16 divisors (see below), whose sum is σ = 5057640. Its totient is φ = 1070080.

The previous prime is 2742473. The next prime is 2742503. The reversal of 2742490 is 942472.

It can be written as a sum of positive squares in 4 ways, for example, as 1962801 + 779689 = 1401^2 + 883^2 .

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, 2935 + ... + 3754.

2^2742490 is an apocalyptic number.

2742490 is a deficient number, since it is larger than the sum of its proper divisors (2315150).

2742490 is a wasteful number, since it uses less digits than its factorization.

2742490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2742490 is about 1656.0464969318. The cubic root of 2742490 is about 139.9743150159.

The spelling of 2742490 in words is "two million, seven hundred forty-two thousand, four hundred ninety".