63747132 has 12 divisors (see below), whose sum is σ = 148743336. Its totient is φ = 21249040.

The previous prime is 63747119. The next prime is 63747157. The reversal of 63747132 is 23174736.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 63747093 and 63747102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656119 + ... + 2656142.

It is an arithmetic number, because the mean of its divisors is an integer number (12395278).

Almost surely, 2^63747132 is an apocalyptic number.

It is an amenable number.

63747132 is an abundant number, since it is smaller than the sum of its proper divisors (84996204).

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

63747132 is a wasteful number, since it uses less digits than its factorization.

63747132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312268 (or 5312266 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 63747132 is about 7984.1801081889. The cubic root of 63747132 is about 399.4724963221.

The spelling of 63747132 in words is "sixty-three million, seven hundred forty-seven thousand, one hundred thirty-two".