632256747 has 8 divisors (see below), whose sum is σ = 843674256. Its totient is φ = 421171872.

The previous prime is 632256739. The next prime is 632256773. The reversal of 632256747 is 747652236.

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

It is not a de Polignac number, because 632256747 - 2³ = 632256739 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 632256699 and 632256708.

It is not an unprimeable number, because it can be changed into a prime (632256797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78688 + ... + 86349.

It is an arithmetic number, because the mean of its divisors is an integer number (105459282).

Almost surely, 2^632256747 is an apocalyptic number.

632256747 is a deficient number, since it is larger than the sum of its proper divisors (211417509).

632256747 is a wasteful number, since it uses less digits than its factorization.

632256747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166317.

The product of its digits is 423360, while the sum is 42.

The square root of 632256747 is about 25144.7160850943. The cubic root of 632256747 is about 858.2842785761.

The spelling of 632256747 in words is "six hundred thirty-two million, two hundred fifty-six thousand, seven hundred forty-seven".