63684330 has 32 divisors (see below), whose sum is σ = 153062784. Its totient is φ = 16958016.

The previous prime is 63684317. The next prime is 63684331. The reversal of 63684330 is 3348636.

It is a junction number, because it is equal to n+sod(n) for n = 63684291 and 63684300.

It is not an unprimeable number, because it can be changed into a prime (63684331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30892 + ... + 32888.

It is an arithmetic number, because the mean of its divisors is an integer number (4783212).

Almost surely, 2^63684330 is an apocalyptic number.

63684330 is an abundant number, since it is smaller than the sum of its proper divisors (89378454).

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

63684330 is a wasteful number, since it uses less digits than its factorization.

63684330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 63684330 is about 7980.2462368025. The cubic root of 63684330 is about 399.3412699490.

The spelling of 63684330 in words is "sixty-three million, six hundred eighty-four thousand, three hundred thirty".