2640701 has 8 divisors (see below), whose sum is σ = 3030144. Its totient is φ = 2254320.

The previous prime is 2640689. The next prime is 2640707. The reversal of 2640701 is 1070462.

2640701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2640701 - 2¹⁴ = 2624317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (378768).

2^2640701 is an apocalyptic number.

It is an amenable number.

2640701 is a deficient number, since it is larger than the sum of its proper divisors (389443).

2640701 is a wasteful number, since it uses less digits than its factorization.

2640701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531.

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

The square root of 2640701 is about 1625.0233844471. The cubic root of 2640701 is about 138.2206963628.

The spelling of 2640701 in words is "two million, six hundred forty thousand, seven hundred one".