2709642 has 16 divisors (see below), whose sum is σ = 5836320. Its totient is φ = 833712.

The previous prime is 2709611. The next prime is 2709643. The reversal of 2709642 is 2469072.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2709643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17292 + ... + 17447.

It is an arithmetic number, because the mean of its divisors is an integer number (364770).

2^2709642 is an apocalyptic number.

2709642 is an abundant number, since it is smaller than the sum of its proper divisors (3126678).

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

2709642 is a wasteful number, since it uses less digits than its factorization.

2709642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34757.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2709642 is about 1646.0990249678. The cubic root of 2709642 is about 139.4132243821.

The spelling of 2709642 in words is "two million, seven hundred nine thousand, six hundred forty-two".