2642706 has 40 divisors (see below), whose sum is σ = 6464304. Its totient is φ = 800280.

The previous prime is 2642699. The next prime is 2642707. The reversal of 2642706 is 6072462.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2642706.

It is not an unprimeable number, because it can be changed into a prime (2642707) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1041 + ... + 2523.

2^2642706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2642706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3232152).

2642706 is an abundant number, since it is smaller than the sum of its proper divisors (3821598).

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

2642706 is a wasteful number, since it uses less digits than its factorization.

2642706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2642706 is about 1625.6401815900. The cubic root of 2642706 is about 138.2556697009.

The spelling of 2642706 in words is "two million, six hundred forty-two thousand, seven hundred six".