63677272 has 16 divisors (see below), whose sum is σ = 123512400. Its totient is φ = 30740640.

The previous prime is 63677249. The next prime is 63677279. The reversal of 63677272 is 27277636.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63677279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137004 + ... + 137467.

It is an arithmetic number, because the mean of its divisors is an integer number (7719525).

Almost surely, 2^63677272 is an apocalyptic number.

It is an amenable number.

63677272 is a deficient number, since it is larger than the sum of its proper divisors (59835128).

63677272 is a wasteful number, since it uses less digits than its factorization.

63677272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274506 (or 274502 counting only the distinct ones).

The product of its digits is 148176, while the sum is 40.

The square root of 63677272 is about 7979.8040076182. The cubic root of 63677272 is about 399.3265166870.

The spelling of 63677272 in words is "sixty-three million, six hundred seventy-seven thousand, two hundred seventy-two".