63673416 has 24 divisors (see below), whose sum is σ = 172449030. Its totient is φ = 21224448.

The previous prime is 63673409. The next prime is 63673457. The reversal of 63673416 is 61437636.

It is a happy number.

63673416 is a `hidden beast` number, since 636 + 7 + 3 + 4 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61685316 + 1988100 = 7854^2 + 1410^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442105 + ... + 442248.

Almost surely, 2^63673416 is an apocalyptic number.

It is an amenable number.

63673416 is an abundant number, since it is smaller than the sum of its proper divisors (108775614).

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

63673416 is a wasteful number, since it uses less digits than its factorization.

63673416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884365 (or 884358 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 63673416 is about 7979.5623940164. The cubic root of 63673416 is about 399.3184560709.

The spelling of 63673416 in words is "sixty-three million, six hundred seventy-three thousand, four hundred sixteen".