697320 has 96 divisors (see below), whose sum is σ = 2457000. Its totient is φ = 170496.

The previous prime is 697303. The next prime is 697327. The reversal of 697320 is 23796.

697320 = T₉₀ + T₉₁ + ... + T₁₆₉.

697320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 285156 + 412164 = 534^2 + 642^2 .

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697320.

It is not an unprimeable number, because it can be changed into a prime (697327) by changing a digit.

697320 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 in 23 ways as a sum of consecutive naturals, for example, 4606 + ... + 4754.

2⁶⁹⁷³²⁰ is an apocalyptic number.

697320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228500).

697320 is an abundant number, since it is smaller than the sum of its proper divisors (1759680).

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

697320 is a wasteful number, since it uses less digits than its factorization.

697320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 697320 is about 835.0568842899. The cubic root of 697320 is about 88.6769417932.

The spelling of 697320 in words is "six hundred ninety-seven thousand, three hundred twenty".