662973 has 8 divisors (see below), whose sum is σ = 887808. Its totient is φ = 440064.

The previous prime is 662957. The next prime is 662999. The reversal of 662973 is 379266.

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

It is not a de Polignac number, because 662973 - 2⁴ = 662957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861 + ... + 1437.

It is an arithmetic number, because the mean of its divisors is an integer number (110976).

2⁶⁶²⁹⁷³ is an apocalyptic number.

It is an amenable number.

662973 is a deficient number, since it is larger than the sum of its proper divisors (224835).

662973 is a wasteful number, since it uses less digits than its factorization.

662973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963.

The product of its digits is 13608, while the sum is 33.

The square root of 662973 is about 814.2315395513. The cubic root of 662973 is about 87.1964118407.

It can be divided in two parts, 66297 and 3, that multiplied together give a palindrome (198891).

The spelling of 662973 in words is "six hundred sixty-two thousand, nine hundred seventy-three".