63870546 has 16 divisors (see below), whose sum is σ = 127946304. Its totient is φ = 21255984.

The previous prime is 63870529. The next prime is 63870577. The reversal of 63870546 is 64507836.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4345 + ... + 12108.

It is an arithmetic number, because the mean of its divisors is an integer number (7996644).

Almost surely, 2^63870546 is an apocalyptic number.

63870546 is an abundant number, since it is smaller than the sum of its proper divisors (64075758).

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

63870546 is a wasteful number, since it uses less digits than its factorization.

63870546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17105.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 63870546 is about 7991.9050294658. The cubic root of 63870546 is about 399.7301221224.

The spelling of 63870546 in words is "sixty-three million, eight hundred seventy thousand, five hundred forty-six".