660702 has 16 divisors (see below), whose sum is σ = 1510272. Its totient is φ = 188760.

The previous prime is 660683. The next prime is 660719. The reversal of 660702 is 207066.

660702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

660702 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 7 ways as a sum of consecutive naturals, for example, 7824 + ... + 7907.

It is an arithmetic number, because the mean of its divisors is an integer number (94392).

2⁶⁶⁰⁷⁰² is an apocalyptic number.

660702 is an abundant number, since it is smaller than the sum of its proper divisors (849570).

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

660702 is a wasteful number, since it uses less digits than its factorization.

660702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15743.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 660702 is about 812.8357767717. The cubic root of 660702 is about 87.0967347847.

Adding to 660702 its reverse (207066), we get a palindrome (867768).

The spelling of 660702 in words is "six hundred sixty thousand, seven hundred two".