63678030 has 128 divisors (see below), whose sum is σ = 178053120. Its totient is φ = 14446080.

The previous prime is 63678019. The next prime is 63678047. The reversal of 63678030 is 3087636.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63677982 and 63678000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 277956 + ... + 278184.

It is an arithmetic number, because the mean of its divisors is an integer number (1391040).

Almost surely, 2^63678030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63678030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89026560).

63678030 is an abundant number, since it is smaller than the sum of its proper divisors (114375090).

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

63678030 is a wasteful number, since it uses less digits than its factorization.

63678030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 63678030 is about 7979.8515023777. The cubic root of 63678030 is about 399.3281011785.

The spelling of 63678030 in words is "sixty-three million, six hundred seventy-eight thousand, thirty".