662970 has 96 divisors (see below), whose sum is σ = 2068416. Its totient is φ = 134400.

The previous prime is 662957. The next prime is 662999. The reversal of 662970 is 79266.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

662970 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 47 ways as a sum of consecutive naturals, for example, 16150 + ... + 16190.

It is an arithmetic number, because the mean of its divisors is an integer number (21546).

2⁶⁶²⁹⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034208).

662970 is an abundant number, since it is smaller than the sum of its proper divisors (1405446).

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

662970 is a wasteful number, since it uses less digits than its factorization.

662970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 662970 is about 814.2296973213. The cubic root of 662970 is about 87.1962803172.

The spelling of 662970 in words is "six hundred sixty-two thousand, nine hundred seventy".