3633820073 has 8 divisors (see below), whose sum is σ = 3914484168. Its totient is φ = 3353318784.

The previous prime is 3633820067. The next prime is 3633820133. The reversal of 3633820073 is 3700283363.

It can be written as a sum of positive squares in 4 ways, for example, as 236329129 + 3397490944 = 15373^2 + 58288^2 .

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 3633820073 - 2⁸ = 3633819817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3633820013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7811 + ... + 85607.

It is an arithmetic number, because the mean of its divisors is an integer number (489310521).

Almost surely, 2^3633820073 is an apocalyptic number.

It is an amenable number.

3633820073 is a deficient number, since it is larger than the sum of its proper divisors (280664095).

3633820073 is a wasteful number, since it uses less digits than its factorization.

3633820073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81403.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 3633820073 is about 60281.1751129654. The cubic root of 3633820073 is about 1537.4032914958.

The spelling of 3633820073 in words is "three billion, six hundred thirty-three million, eight hundred twenty thousand, seventy-three".