684733 has 8 divisors (see below), whose sum is σ = 816768. Its totient is φ = 561264.

The previous prime is 684731. The next prime is 684751. The reversal of 684733 is 337486.

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 684733 - 2¹ = 684731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 684695 and 684704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684731) 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, 1966 + ... + 2287.

It is an arithmetic number, because the mean of its divisors is an integer number (102096).

2⁶⁸⁴⁷³³ is an apocalyptic number.

It is an amenable number.

684733 is a deficient number, since it is larger than the sum of its proper divisors (132035).

684733 is a wasteful number, since it uses less digits than its factorization.

684733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283.

The product of its digits is 12096, while the sum is 31.

The square root of 684733 is about 827.4859515424. The cubic root of 684733 is about 88.1401434332.

The spelling of 684733 in words is "six hundred eighty-four thousand, seven hundred thirty-three".