8618020073 has 8 divisors (see below), whose sum is σ = 9303100800. Its totient is φ = 7936104528.

The previous prime is 8618020049. The next prime is 8618020079. The reversal of 8618020073 is 3700208168.

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 8618020073 - 2¹⁶ = 8617954537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8618020079) 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, 785633 + ... + 796526.

It is an arithmetic number, because the mean of its divisors is an integer number (1162887600).

Almost surely, 2^8618020073 is an apocalyptic number.

It is an amenable number.

8618020073 is a deficient number, since it is larger than the sum of its proper divisors (685080727).

8618020073 is a wasteful number, since it uses less digits than its factorization.

8618020073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582591.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 8618020073 is about 92833.2918354186. The cubic root of 8618020073 is about 2050.2296052959.

The spelling of 8618020073 in words is "eight billion, six hundred eighteen million, twenty thousand, seventy-three".