63497376 has 72 divisors (see below), whose sum is σ = 184451904. Its totient is φ = 20711040.

The previous prime is 63497353. The next prime is 63497381. The reversal of 63497376 is 67379436.

63497376 is a `hidden beast` number, since 634 + 9 + 7 + 3 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11191 + ... + 15881.

It is an arithmetic number, because the mean of its divisors is an integer number (2561832).

Almost surely, 2^63497376 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 63497376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92225952).

63497376 is an abundant number, since it is smaller than the sum of its proper divisors (120954528).

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

63497376 is a wasteful number, since it uses less digits than its factorization.

63497376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754 (or 4743 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 63497376 is about 7968.5240791504. The cubic root of 63497376 is about 398.9501134230.

The spelling of 63497376 in words is "sixty-three million, four hundred ninety-seven thousand, three hundred seventy-six".