63497904 has 20 divisors (see below), whose sum is σ = 164036376. Its totient is φ = 21165952.

The previous prime is 63497899. The next prime is 63497921. The reversal of 63497904 is 40979436.

63497904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661389 + ... + 661484.

Almost surely, 2^63497904 is an apocalyptic number.

It is an amenable number.

63497904 is an abundant number, since it is smaller than the sum of its proper divisors (100538472).

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

63497904 is a wasteful number, since it uses less digits than its factorization.

63497904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322884 (or 1322878 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 63497904 is about 7968.5572094326. The cubic root of 63497904 is about 398.9512192172.

The spelling of 63497904 in words is "sixty-three million, four hundred ninety-seven thousand, nine hundred four".