63073668 has 48 divisors (see below), whose sum is σ = 169952384. Its totient is φ = 17832960.

The previous prime is 63073643. The next prime is 63073697. The reversal of 63073668 is 86637036.

It is a happy number.

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, 4278 + ... + 12018.

Almost surely, 2^63073668 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 63073668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84976192).

63073668 is an abundant number, since it is smaller than the sum of its proper divisors (106878716).

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

63073668 is a wasteful number, since it uses less digits than its factorization.

63073668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7852 (or 7850 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 63073668 is about 7941.8932251699. The cubic root of 63073668 is about 398.0607551840.

The spelling of 63073668 in words is "sixty-three million, seventy-three thousand, six hundred sixty-eight".