634272436 has 12 divisors (see below), whose sum is σ = 1268544928. Its totient is φ = 271831032.

The previous prime is 634272407. The next prime is 634272439.

634272436 is nontrivially palindromic in base 10.

634272436 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 634272395 and 634272404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634272439) 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, 11326266 + ... + 11326321.

Almost surely, 2^634272436 is an apocalyptic number.

It is an amenable number.

634272436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

634272436 is a wasteful number, since it uses less digits than its factorization.

634272436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22652598 (or 22652596 counting only the distinct ones).

The product of its digits is 145152, while the sum is 37.

The square root of 634272436 is about 25184.7659508680. The cubic root of 634272436 is about 859.1954057605.

The spelling of 634272436 in words is "six hundred thirty-four million, two hundred seventy-two thousand, four hundred thirty-six".