63404748 has 144 divisors (see below), whose sum is σ = 192393600. Its totient is φ = 17858880.

The previous prime is 63404699. The next prime is 63404753. The reversal of 63404748 is 84740436.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1196290 + ... + 1196342.

Almost surely, 2^63404748 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 63404748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96196800).

63404748 is an abundant number, since it is smaller than the sum of its proper divisors (128988852).

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

63404748 is a wasteful number, since it uses less digits than its factorization.

63404748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 63404748 is about 7962.7098402491. The cubic root of 63404748 is about 398.7560270051.

The spelling of 63404748 in words is "sixty-three million, four hundred four thousand, seven hundred forty-eight".