2718642 has 8 divisors (see below), whose sum is σ = 5437296. Its totient is φ = 906212.

The previous prime is 2718629. The next prime is 2718647. The reversal of 2718642 is 2468172.

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

2718642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2718647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226548 + ... + 226559.

It is an arithmetic number, because the mean of its divisors is an integer number (679662).

2^2718642 is an apocalyptic number.

2718642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2718642 is a wasteful number, since it uses less digits than its factorization.

2718642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453112.

The product of its digits is 5376, while the sum is 30.

The square root of 2718642 is about 1648.8304946234. The cubic root of 2718642 is about 139.5674061776.

The spelling of 2718642 in words is "two million, seven hundred eighteen thousand, six hundred forty-two".