697630 has 8 divisors (see below), whose sum is σ = 1255752. Its totient is φ = 279048.

The previous prime is 697603. The next prime is 697637. The reversal of 697630 is 36796.

697630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 697592 and 697601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697637) by changing a digit.

697630 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 3 ways as a sum of consecutive naturals, for example, 34872 + ... + 34891.

It is an arithmetic number, because the mean of its divisors is an integer number (156969).

2⁶⁹⁷⁶³⁰ is an apocalyptic number.

697630 is a deficient number, since it is larger than the sum of its proper divisors (558122).

697630 is a wasteful number, since it uses less digits than its factorization.

697630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69770.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 697630 is about 835.2424797626. The cubic root of 697630 is about 88.6900805623.

The spelling of 697630 in words is "six hundred ninety-seven thousand, six hundred thirty".