63894732 has 48 divisors (see below), whose sum is σ = 166438272. Its totient is φ = 18910080.

The previous prime is 63894709. The next prime is 63894737. The reversal of 63894732 is 23749836.

It is not an unprimeable number, because it can be changed into a prime (63894737) 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, 48 + ... + 11304.

It is an arithmetic number, because the mean of its divisors is an integer number (3467464).

Almost surely, 2^63894732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63894732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83219136).

63894732 is an abundant number, since it is smaller than the sum of its proper divisors (102543540).

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

63894732 is a wasteful number, since it uses less digits than its factorization.

63894732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11318 (or 11316 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 63894732 is about 7993.4180423646. The cubic root of 63894732 is about 399.7805713163.

Subtracting from 63894732 its reverse (23749836), we obtain a square (40144896 = 6336²).

The spelling of 63894732 in words is "sixty-three million, eight hundred ninety-four thousand, seven hundred thirty-two".