63660342 has 24 divisors (see below), whose sum is σ = 135254376. Its totient is φ = 19971328.

The previous prime is 63660323. The next prime is 63660349. The reversal of 63660342 is 24306636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63660349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16623 + ... + 20090.

It is an arithmetic number, because the mean of its divisors is an integer number (5635599).

Almost surely, 2^63660342 is an apocalyptic number.

63660342 is an abundant number, since it is smaller than the sum of its proper divisors (71594034).

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

63660342 is a wasteful number, since it uses less digits than its factorization.

63660342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36752 (or 36735 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 63660342 is about 7978.7431341033. The cubic root of 63660342 is about 399.2911236446.

Adding to 63660342 its reverse (24306636), we get a palindrome (87966978).

The spelling of 63660342 in words is "sixty-three million, six hundred sixty thousand, three hundred forty-two".