6635700073 has 8 divisors (see below), whose sum is σ = 6730662600. Its totient is φ = 6540847488.

The previous prime is 6635700041. The next prime is 6635700091. The reversal of 6635700073 is 3700075366.

It can be written as a sum of positive squares in 4 ways, for example, as 1975180249 + 4660519824 = 44443^2 + 68268^2 .

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 6635700073 - 2⁵ = 6635700041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6635700013) 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, 98163 + ... + 151351.

It is an arithmetic number, because the mean of its divisors is an integer number (841332825).

Almost surely, 2^6635700073 is an apocalyptic number.

It is an amenable number.

6635700073 is a deficient number, since it is larger than the sum of its proper divisors (94962527).

6635700073 is a wasteful number, since it uses less digits than its factorization.

6635700073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54971.

The product of its (nonzero) digits is 79380, while the sum is 37.

The square root of 6635700073 is about 81459.8064876169. The cubic root of 6635700073 is about 1879.1534661114.

The spelling of 6635700073 in words is "six billion, six hundred thirty-five million, seven hundred thousand, seventy-three".