633772401 has 16 divisors (see below), whose sum is σ = 875939328. Its totient is φ = 407174400.

The previous prime is 633772361. The next prime is 633772411. The reversal of 633772401 is 104277336.

633772401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 633772401 - 2¹⁰ = 633771377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (633772411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8275 + ... + 36551.

It is an arithmetic number, because the mean of its divisors is an integer number (54746208).

Almost surely, 2^633772401 is an apocalyptic number.

It is an amenable number.

633772401 is a deficient number, since it is larger than the sum of its proper divisors (242166927).

633772401 is a wasteful number, since it uses less digits than its factorization.

633772401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28552.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 633772401 is about 25174.8366628266. The cubic root of 633772401 is about 858.9695613125.

The spelling of 633772401 in words is "six hundred thirty-three million, seven hundred seventy-two thousand, four hundred one".