63490476 has 72 divisors (see below), whose sum is σ = 181433280. Its totient is φ = 17182368.

The previous prime is 63490451. The next prime is 63490487. The reversal of 63490476 is 67409436.

63490476 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 23 ways as a sum of consecutive naturals, for example, 8331 + ... + 14013.

Almost surely, 2^63490476 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 63490476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90716640).

63490476 is an abundant number, since it is smaller than the sum of its proper divisors (117942804).

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

63490476 is a wasteful number, since it uses less digits than its factorization.

63490476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 63490476 is about 7968.0911139369. The cubic root of 63490476 is about 398.9356621408.

The spelling of 63490476 in words is "sixty-three million, four hundred ninety thousand, four hundred seventy-six".