697774 has 32 divisors (see below), whose sum is σ = 1368576. Its totient is φ = 258720.

The previous prime is 697759. The next prime is 697787. The reversal of 697774 is 477796.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

697774 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3444 + ... + 3640.

It is an arithmetic number, because the mean of its divisors is an integer number (42768).

2⁶⁹⁷⁷⁷⁴ is an apocalyptic number.

697774 is a deficient number, since it is larger than the sum of its proper divisors (670802).

697774 is a wasteful number, since it uses less digits than its factorization.

697774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its digits is 74088, while the sum is 40.

The square root of 697774 is about 835.3286778269. The cubic root of 697774 is about 88.6961824086.

The spelling of 697774 in words is "six hundred ninety-seven thousand, seven hundred seventy-four".