63485874 has 12 divisors (see below), whose sum is σ = 137552766. Its totient is φ = 21161952.

The previous prime is 63485839. The next prime is 63485879. The reversal of 63485874 is 47858436.

63485874 is a `hidden beast` number, since 63 + 4 + 8 + 587 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57653649 + 5832225 = 7593^2 + 2415^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (63485879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1763479 + ... + 1763514.

Almost surely, 2^63485874 is an apocalyptic number.

63485874 is an abundant number, since it is smaller than the sum of its proper divisors (74066892).

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

63485874 is a wasteful number, since it uses less digits than its factorization.

63485874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527001 (or 3526998 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 63485874 is about 7967.8023318855. The cubic root of 63485874 is about 398.9260231819.

The spelling of 63485874 in words is "sixty-three million, four hundred eighty-five thousand, eight hundred seventy-four".