663702 has 32 divisors (see below), whose sum is σ = 1462272. Its totient is φ = 199584.

The previous prime is 663683. The next prime is 663709. The reversal of 663702 is 207366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5163 + ... + 5289.

It is an arithmetic number, because the mean of its divisors is an integer number (45696).

2⁶⁶³⁷⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731136).

663702 is an abundant number, since it is smaller than the sum of its proper divisors (798570).

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

663702 is a wasteful number, since it uses less digits than its factorization.

663702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 663702 is about 814.6790779196. The cubic root of 663702 is about 87.2283603009.

The spelling of 663702 in words is "six hundred sixty-three thousand, seven hundred two".