63472986 has 24 divisors (see below), whose sum is σ = 139580064. Its totient is φ = 20841480.

The previous prime is 63472963. The next prime is 63472987. The reversal of 63472986 is 68927436.

63472986 is a `hidden beast` number, since 634 + 7 + 2 + 9 + 8 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (63472987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25110 + ... + 27521.

It is an arithmetic number, because the mean of its divisors is an integer number (5815836).

Almost surely, 2^63472986 is an apocalyptic number.

63472986 is an abundant number, since it is smaller than the sum of its proper divisors (76107078).

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

63472986 is a wasteful number, since it uses less digits than its factorization.

63472986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52706 (or 52703 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 63472986 is about 7966.9935358327. The cubic root of 63472986 is about 398.8990265908.

The spelling of 63472986 in words is "sixty-three million, four hundred seventy-two thousand, nine hundred eighty-six".