63490470 has 32 divisors (see below), whose sum is σ = 152586720. Its totient is φ = 16907520.

The previous prime is 63490451. The next prime is 63490487. The reversal of 63490470 is 7409436.

63490470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 42130 + ... + 43610.

It is an arithmetic number, because the mean of its divisors is an integer number (4768335).

Almost surely, 2^63490470 is an apocalyptic number.

63490470 is an abundant number, since it is smaller than the sum of its proper divisors (89096250).

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

63490470 is a wasteful number, since it uses less digits than its factorization.

63490470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 63490470 is about 7968.0907374352. The cubic root of 63490470 is about 398.9356495741.

The spelling of 63490470 in words is "sixty-three million, four hundred ninety thousand, four hundred seventy".