73834366018 has 8 divisors (see below), whose sum is σ = 126573198912. Its totient is φ = 31643299716.

The previous prime is 73834366013. The next prime is 73834366019. The reversal of 73834366018 is 81066343837.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (73834366013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2636941630 + ... + 2636941657.

It is an arithmetic number, because the mean of its divisors is an integer number (15821649864).

Almost surely, 2^73834366018 is an apocalyptic number.

73834366018 is a deficient number, since it is larger than the sum of its proper divisors (52738832894).

73834366018 is a wasteful number, since it uses less digits than its factorization.

73834366018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273883296.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 73834366018 in words is "seventy-three billion, eight hundred thirty-four million, three hundred sixty-six thousand, eighteen".