697568 has 12 divisors (see below), whose sum is σ = 1373400. Its totient is φ = 348768.

The previous prime is 697553. The next prime is 697579. The reversal of 697568 is 865796.

It is a happy number.

It is a super-2 number, since 2×697568² = 973202229248, which contains 22 as substring.

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 697568.

It is an unprimeable number.

697568 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10868 + ... + 10931.

It is an arithmetic number, because the mean of its divisors is an integer number (114450).

2⁶⁹⁷⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

697568 is a deficient number, since it is larger than the sum of its proper divisors (675832).

697568 is a wasteful number, since it uses less digits than its factorization.

697568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21809 (or 21801 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 697568 is about 835.2053639674. The cubic root of 697568 is about 88.6874531199.

The spelling of 697568 in words is "six hundred ninety-seven thousand, five hundred sixty-eight".