633972641 has 8 divisors (see below), whose sum is σ = 645777600. Its totient is φ = 622203120.

The previous prime is 633972617. The next prime is 633972643. The reversal of 633972641 is 146279336.

633972641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 633972641 - 2¹⁰ = 633971617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633972643) 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, 28715 + ... + 45743.

It is an arithmetic number, because the mean of its divisors is an integer number (80722200).

Almost surely, 2^633972641 is an apocalyptic number.

It is an amenable number.

633972641 is a deficient number, since it is larger than the sum of its proper divisors (11804959).

633972641 is a wasteful number, since it uses less digits than its factorization.

633972641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17719.

The product of its digits is 163296, while the sum is 41.

The square root of 633972641 is about 25178.8133358187. The cubic root of 633972641 is about 859.0600154216.

The spelling of 633972641 in words is "six hundred thirty-three million, nine hundred seventy-two thousand, six hundred forty-one".