2730538 has 4 divisors (see below), whose sum is σ = 4095810. Its totient is φ = 1365268.

The previous prime is 2730529. The next prime is 2730569. The reversal of 2730538 is 8350372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 762129 = 1403^2 + 873^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682633 + ... + 682636.

2^2730538 is an apocalyptic number.

2730538 is a deficient number, since it is larger than the sum of its proper divisors (1365272).

2730538 is a wasteful number, since it uses less digits than its factorization.

2730538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365271.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2730538 is about 1652.4339623719. The cubic root of 2730538 is about 139.7706789974.

The spelling of 2730538 in words is "two million, seven hundred thirty thousand, five hundred thirty-eight".