66024252 has 72 divisors (see below), whose sum is σ = 192331776. Its totient is φ = 18706464.

The previous prime is 66024251. The next prime is 66024319. The reversal of 66024252 is 25242066.

66024252 is a `hidden beast` number, since 6 + 602 + 4 + 2 + 52 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66024251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30973 + ... + 33035.

Almost surely, 2^66024252 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 66024252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96165888).

66024252 is an abundant number, since it is smaller than the sum of its proper divisors (126307524).

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

66024252 is a wasteful number, since it uses less digits than its factorization.

66024252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 66024252 is about 8125.5308749644. The cubic root of 66024252 is about 404.1734950677.

The spelling of 66024252 in words is "sixty-six million, twenty-four thousand, two hundred fifty-two".