73410012818 has 4 divisors (see below), whose sum is σ = 110115019230. Its totient is φ = 36705006408.

The previous prime is 73410012817. The next prime is 73410012857. The reversal of 73410012818 is 81821001437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50930108329 + 22479904489 = 225677^2 + 149933^2 .

It is a super-2 number, since 2×73410012818² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73410012817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18352503203 + ... + 18352503206.

Almost surely, 2^73410012818 is an apocalyptic number.

73410012818 is a deficient number, since it is larger than the sum of its proper divisors (36705006412).

73410012818 is a wasteful number, since it uses less digits than its factorization.

73410012818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36705006411.

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 73410012818 in words is "seventy-three billion, four hundred ten million, twelve thousand, eight hundred eighteen".