2642763 has 8 divisors (see below), whose sum is σ = 3598848. Its totient is φ = 1724264.

The previous prime is 2642713. The next prime is 2642771. The reversal of 2642763 is 3672462.

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 2642763 - 2⁶ = 2642699 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2642763.

It is not an unprimeable number, because it can be changed into a prime (2642713) 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, 9231 + ... + 9512.

It is an arithmetic number, because the mean of its divisors is an integer number (449856).

2^2642763 is an apocalyptic number.

2642763 is a deficient number, since it is larger than the sum of its proper divisors (956085).

2642763 is a wasteful number, since it uses less digits than its factorization.

2642763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18793.

The product of its digits is 12096, while the sum is 30.

The square root of 2642763 is about 1625.6577130503. The cubic root of 2642763 is about 138.2566636968.

The spelling of 2642763 in words is "two million, six hundred forty-two thousand, seven hundred sixty-three".