63472733 has 4 divisors (see below), whose sum is σ = 63501120. Its totient is φ = 63444348.

The previous prime is 63472693. The next prime is 63472751. The reversal of 63472733 is 33727436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63472733 - 2¹² = 63468637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63472693 and 63472702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63472133) 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, 10523 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (15875280).

Almost surely, 2^63472733 is an apocalyptic number.

It is an amenable number.

63472733 is a deficient number, since it is larger than the sum of its proper divisors (28387).

63472733 is a wasteful number, since it uses less digits than its factorization.

63472733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28386.

The product of its digits is 63504, while the sum is 35.

The square root of 63472733 is about 7966.9776578073. The cubic root of 63472733 is about 398.8984965932.

The spelling of 63472733 in words is "sixty-three million, four hundred seventy-two thousand, seven hundred thirty-three".