697437 has 16 divisors (see below), whose sum is σ = 1113280. Its totient is φ = 428976.

The previous prime is 697423. The next prime is 697441. The reversal of 697437 is 734796.

697437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 697437 - 2⁶ = 697373 is a prime.

It is a Duffinian number.

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 697437.

It is not an unprimeable number, because it can be changed into a prime (697447) 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, 643 + ... + 1344.

It is an arithmetic number, because the mean of its divisors is an integer number (69580).

2⁶⁹⁷⁴³⁷ is an apocalyptic number.

It is an amenable number.

697437 is a deficient number, since it is larger than the sum of its proper divisors (415843).

697437 is a wasteful number, since it uses less digits than its factorization.

697437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009 (or 2003 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 697437 is about 835.1269364594. The cubic root of 697437 is about 88.6819010764.

The spelling of 697437 in words is "six hundred ninety-seven thousand, four hundred thirty-seven".