697736 has 16 divisors (see below), whose sum is σ = 1409100. Its totient is φ = 321984.

The previous prime is 697733. The next prime is 697757. The reversal of 697736 is 637796.

It can be written as a sum of positive squares in 2 ways, for example, as 688900 + 8836 = 830^2 + 94^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 697736.

It is not an unprimeable number, because it can be changed into a prime (697733) 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, 3251 + ... + 3458.

2⁶⁹⁷⁷³⁶ is an apocalyptic number.

It is an amenable number.

697736 is an abundant number, since it is smaller than the sum of its proper divisors (711364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697736 is a wasteful number, since it uses less digits than its factorization.

697736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728 (or 6724 counting only the distinct ones).

The product of its digits is 47628, while the sum is 38.

The square root of 697736 is about 835.3059319794. The cubic root of 697736 is about 88.6945722807.

The spelling of 697736 in words is "six hundred ninety-seven thousand, seven hundred thirty-six".