63534306 has 64 divisors (see below), whose sum is σ = 144562176. Its totient is φ = 18446400.

The previous prime is 63534301. The next prime is 63534311. The reversal of 63534306 is 60343536.

It is an interprime number because it is at equal distance from previous prime (63534301) and next prime (63534311).

It is not an unprimeable number, because it can be changed into a prime (63534301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172935 + ... + 173301.

It is an arithmetic number, because the mean of its divisors is an integer number (2258784).

Almost surely, 2^63534306 is an apocalyptic number.

63534306 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 63534306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72281088).

63534306 is an abundant number, since it is smaller than the sum of its proper divisors (81027870).

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

63534306 is a wasteful number, since it uses less digits than its factorization.

63534306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 63534306 is about 7970.8409844884. The cubic root of 63534306 is about 399.0274414076.

The spelling of 63534306 in words is "sixty-three million, five hundred thirty-four thousand, three hundred six".