63529830 has 96 divisors (see below), whose sum is σ = 203321664. Its totient is φ = 13402368.

The previous prime is 63529813. The next prime is 63529861. The reversal of 63529830 is 3892536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4312 + ... + 12068.

It is an arithmetic number, because the mean of its divisors is an integer number (2117934).

Almost surely, 2^63529830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63529830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101660832).

63529830 is an abundant number, since it is smaller than the sum of its proper divisors (139791834).

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

63529830 is a wasteful number, since it uses less digits than its factorization.

63529830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790 (or 7787 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 63529830 is about 7970.5602061587. The cubic root of 63529830 is about 399.0180706761.

The spelling of 63529830 in words is "sixty-three million, five hundred twenty-nine thousand, eight hundred thirty".