697607 has 4 divisors (see below), whose sum is σ = 704616. Its totient is φ = 690600.

The previous prime is 697603. The next prime is 697637. The reversal of 697607 is 706796.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 697607 - 2² = 697603 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

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 697607.

It is not an unprimeable number, because it can be changed into a prime (697601) 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, 3353 + ... + 3554.

It is an arithmetic number, because the mean of its divisors is an integer number (176154).

2⁶⁹⁷⁶⁰⁷ is an apocalyptic number.

697607 is a deficient number, since it is larger than the sum of its proper divisors (7009).

697607 is a wasteful number, since it uses less digits than its factorization.

697607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008.

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

The square root of 697607 is about 835.2287111923. The cubic root of 697607 is about 88.6891058841.

The spelling of 697607 in words is "six hundred ninety-seven thousand, six hundred seven".