662003712 has 224 divisors, whose sum is σ = 2036734560. Its totient is φ = 212336640.

The previous prime is 662003711. The next prime is 662003731. The reversal of 662003712 is 217300266.

It is a happy number.

662003712 is a `hidden beast` number, since 6 + 620 + 0 + 37 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662003711) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9068508 + ... + 9068580.

It is an arithmetic number, because the mean of its divisors is an integer number (9092565).

Almost surely, 2^662003712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662003712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1018367280).

662003712 is an abundant number, since it is smaller than the sum of its proper divisors (1374730848).

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

662003712 is an equidigital number, since it uses as much as digits as its factorization.

662003712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 662003712 is about 25729.4327959246. The cubic root of 662003712 is about 871.5389645484.

Adding to 662003712 its reverse (217300266), we get a palindrome (879303978).

The spelling of 662003712 in words is "six hundred sixty-two million, three thousand, seven hundred twelve".