6662783 has 8 divisors (see below), whose sum is σ = 6825168. Its totient is φ = 6502464.

The previous prime is 6662771. The next prime is 6662809. The reversal of 6662783 is 3872666.

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 6662783 - 2¹⁴ = 6646399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662723) 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, 7385 + ... + 8237.

It is an arithmetic number, because the mean of its divisors is an integer number (853146).

Almost surely, 2^6662783 is an apocalyptic number.

6662783 is a deficient number, since it is larger than the sum of its proper divisors (162385).

6662783 is a wasteful number, since it uses less digits than its factorization.

6662783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033.

The product of its digits is 72576, while the sum is 38.

The square root of 6662783 is about 2581.2367190942. The cubic root of 6662783 is about 188.1706519746.

The spelling of 6662783 in words is "six million, six hundred sixty-two thousand, seven hundred eighty-three".