689073 has 32 divisors (see below), whose sum is σ = 1213440. Its totient is φ = 336960.

The previous prime is 689071. The next prime is 689077. The reversal of 689073 is 370986.

It is a happy number.

It is not a de Polignac number, because 689073 - 2¹ = 689071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

689073 is an undulating number in base 12.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (689071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4311 + ... + 4467.

It is an arithmetic number, because the mean of its divisors is an integer number (37920).

2⁶⁸⁹⁰⁷³ is an apocalyptic number.

It is an amenable number.

689073 is a deficient number, since it is larger than the sum of its proper divisors (524367).

689073 is a wasteful number, since it uses less digits than its factorization.

689073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 689073 is about 830.1042103254. The cubic root of 689073 is about 88.3259690866.

The spelling of 689073 in words is "six hundred eighty-nine thousand, seventy-three".