63668332 has 48 divisors (see below), whose sum is σ = 145212480. Its totient is φ = 23703552.

The previous prime is 63668329. The next prime is 63668351. The reversal of 63668332 is 23386636.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63668291 and 63668300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044 + ... + 11332.

It is an arithmetic number, because the mean of its divisors is an integer number (3025260).

Almost surely, 2^63668332 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 63668332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72606240).

63668332 is an abundant number, since it is smaller than the sum of its proper divisors (81544148).

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

63668332 is a wasteful number, since it uses less digits than its factorization.

63668332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330 (or 10328 counting only the distinct ones).

The product of its digits is 93312, while the sum is 37.

The square root of 63668332 is about 7979.2438238219. The cubic root of 63668332 is about 399.3078279355.

It can be divided in two parts, 63668 and 332, that added together give a cube (64000 = 40³).

The spelling of 63668332 in words is "sixty-three million, six hundred sixty-eight thousand, three hundred thirty-two".