63441376 has 36 divisors (see below), whose sum is σ = 129121776. Its totient is φ = 30682560.

The previous prime is 63441373. The next prime is 63441377. The reversal of 63441376 is 67314436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63441373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29721 + ... + 31783.

It is an arithmetic number, because the mean of its divisors is an integer number (3586716).

Almost surely, 2^63441376 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 63441376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64560888).

63441376 is an abundant number, since it is smaller than the sum of its proper divisors (65680400).

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

63441376 is a wasteful number, since it uses less digits than its factorization.

63441376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2096 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 63441376 is about 7965.0094789649. The cubic root of 63441376 is about 398.8327974081.

The spelling of 63441376 in words is "sixty-three million, four hundred forty-one thousand, three hundred seventy-six".