2752642 has 4 divisors (see below), whose sum is σ = 4128966. Its totient is φ = 1376320.

The previous prime is 2752639. The next prime is 2752667. The reversal of 2752642 is 2462572.

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., 2752281 + 361 = 1659^2 + 19^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2752642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688159 + ... + 688162.

2^2752642 is an apocalyptic number.

2752642 is a deficient number, since it is larger than the sum of its proper divisors (1376324).

2752642 is a wasteful number, since it uses less digits than its factorization.

2752642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376323.

The product of its digits is 6720, while the sum is 28.

The square root of 2752642 is about 1659.1087969148. The cubic root of 2752642 is about 140.1468187657.

The spelling of 2752642 in words is "two million, seven hundred fifty-two thousand, six hundred forty-two".