662484720 has 80 divisors (see below), whose sum is σ = 2060930592. Its totient is φ = 176040960.

The previous prime is 662484707. The next prime is 662484721. The reversal of 662484720 is 27484266.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662484721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65610 + ... + 75030.

Almost surely, 2^662484720 is an apocalyptic number.

662484720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662484720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030465296).

662484720 is an abundant number, since it is smaller than the sum of its proper divisors (1398445872).

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

662484720 is a wasteful number, since it uses less digits than its factorization.

662484720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730 (or 9724 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 662484720 is about 25738.7785257964. The cubic root of 662484720 is about 871.7499984717.

The spelling of 662484720 in words is "six hundred sixty-two million, four hundred eighty-four thousand, seven hundred twenty".