2640710 has 8 divisors (see below), whose sum is σ = 4753296. Its totient is φ = 1056280.

The previous prime is 2640709. The next prime is 2640713. The reversal of 2640710 is 170462.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132026 + ... + 132045.

It is an arithmetic number, because the mean of its divisors is an integer number (594162).

2^2640710 is an apocalyptic number.

2640710 is a deficient number, since it is larger than the sum of its proper divisors (2112586).

2640710 is a wasteful number, since it uses less digits than its factorization.

2640710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264078.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2640710 is about 1625.0261536357. The cubic root of 2640710 is about 138.2208533899.

The spelling of 2640710 in words is "two million, six hundred forty thousand, seven hundred ten".