633612673 has 8 divisors (see below), whose sum is σ = 647733096. Its totient is φ = 619612800.

The previous prime is 633612667. The next prime is 633612709. The reversal of 633612673 is 376216336.

It can be written as a sum of positive squares in 4 ways, for example, as 267387904 + 366224769 = 16352^2 + 19137^2 .

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 633612673 - 2²⁹ = 96741761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633612643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19468 + ... + 40573.

It is an arithmetic number, because the mean of its divisors is an integer number (80966637).

Almost surely, 2^633612673 is an apocalyptic number.

It is an amenable number.

633612673 is a deficient number, since it is larger than the sum of its proper divisors (14120423).

633612673 is a wasteful number, since it uses less digits than its factorization.

633612673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60275.

The product of its digits is 81648, while the sum is 37.

The square root of 633612673 is about 25171.6640888122. The cubic root of 633612673 is about 858.8973939657.

It can be divided in two parts, 6336 and 12673, that multiplied together give a triangular number (80296128 = T₁₂₆₇₂).

The spelling of 633612673 in words is "six hundred thirty-three million, six hundred twelve thousand, six hundred seventy-three".