670968 has 24 divisors (see below), whose sum is σ = 1817400. Its totient is φ = 223632.

The previous prime is 670963. The next prime is 670987. The reversal of 670968 is 869076.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670963) by changing a digit.

670968 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 5 ways as a sum of consecutive naturals, for example, 4588 + ... + 4731.

It is an arithmetic number, because the mean of its divisors is an integer number (75725).

2⁶⁷⁰⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

670968 is an abundant number, since it is smaller than the sum of its proper divisors (1146432).

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

670968 is a wasteful number, since it uses less digits than its factorization.

670968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9331 (or 9324 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 670968 is about 819.1263638780. The cubic root of 670968 is about 87.5455218914.

The spelling of 670968 in words is "six hundred seventy thousand, nine hundred sixty-eight".