66470352 has 80 divisors (see below), whose sum is σ = 189987840. Its totient is φ = 19892736.

The previous prime is 66470347. The next prime is 66470353. The reversal of 66470352 is 25307466.

66470352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66470353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21649 + ... + 24527.

It is an arithmetic number, because the mean of its divisors is an integer number (2374848).

Almost surely, 2^66470352 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 66470352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94993920).

66470352 is an abundant number, since it is smaller than the sum of its proper divisors (123517488).

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

66470352 is a wasteful number, since it uses less digits than its factorization.

66470352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940 (or 2934 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 66470352 is about 8152.9351769777. The cubic root of 66470352 is about 405.0817332375.

The spelling of 66470352 in words is "sixty-six million, four hundred seventy thousand, three hundred fifty-two".