697670 has 8 divisors (see below), whose sum is σ = 1255824. Its totient is φ = 279064.

The previous prime is 697643. The next prime is 697673. The reversal of 697670 is 76796.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 697670.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697670.

It is not an unprimeable number, because it can be changed into a prime (697673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34874 + ... + 34893.

It is an arithmetic number, because the mean of its divisors is an integer number (156978).

2⁶⁹⁷⁶⁷⁰ is an apocalyptic number.

697670 is a deficient number, since it is larger than the sum of its proper divisors (558154).

697670 is a wasteful number, since it uses less digits than its factorization.

697670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69774.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 697670 is about 835.2664245616. The cubic root of 697670 is about 88.6917756038.

The spelling of 697670 in words is "six hundred ninety-seven thousand, six hundred seventy".