706783 has 16 divisors (see below), whose sum is σ = 900864. Its totient is φ = 538560.

The previous prime is 706763. The next prime is 706787. The reversal of 706783 is 387607.

It is not a de Polignac number, because 706783 - 2⁵ = 706751 is a prime.

It is a Duffinian number.

706783 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5091 + ... + 5227.

It is an arithmetic number, because the mean of its divisors is an integer number (56304).

2⁷⁰⁶⁷⁸³ is an apocalyptic number.

706783 is a deficient number, since it is larger than the sum of its proper divisors (194081).

706783 is a wasteful number, since it uses less digits than its factorization.

706783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 706783 is about 840.7038717646. The cubic root of 706783 is about 89.0762717803.

The spelling of 706783 in words is "seven hundred six thousand, seven hundred eighty-three".