63872733 has 8 divisors (see below), whose sum is σ = 86190048. Its totient is φ = 42068624.

The previous prime is 63872729. The next prime is 63872747. The reversal of 63872733 is 33727836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63872733 - 2² = 63872729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63872691 and 63872700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63872713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128010 + ... + 128507.

It is an arithmetic number, because the mean of its divisors is an integer number (10773756).

Almost surely, 2^63872733 is an apocalyptic number.

It is an amenable number.

63872733 is a deficient number, since it is larger than the sum of its proper divisors (22317315).

63872733 is a wasteful number, since it uses less digits than its factorization.

63872733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256603.

The product of its digits is 127008, while the sum is 39.

The square root of 63872733 is about 7992.0418542448. The cubic root of 63872733 is about 399.7346844748.

The spelling of 63872733 in words is "sixty-three million, eight hundred seventy-two thousand, seven hundred thirty-three".