63528906 has 32 divisors (see below), whose sum is σ = 146551680. Its totient is φ = 17983296.

The previous prime is 63528863. The next prime is 63528911. The reversal of 63528906 is 60982536.

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, 2361 + ... + 11516.

It is an arithmetic number, because the mean of its divisors is an integer number (4579740).

Almost surely, 2^63528906 is an apocalyptic number.

63528906 is an abundant number, since it is smaller than the sum of its proper divisors (83022774).

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

63528906 is a wasteful number, since it uses less digits than its factorization.

63528906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13998.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 63528906 is about 7970.5022426444. The cubic root of 63528906 is about 399.0161361807.

The spelling of 63528906 in words is "sixty-three million, five hundred twenty-eight thousand, nine hundred six".