73030018284 has 120 divisors (see below), whose sum is σ = 192321297168. Its totient is φ = 24164542080.

The previous prime is 73030018277. The next prime is 73030018289. The reversal of 73030018284 is 48281003037.

73030018284 is a `hidden beast` number, since 73 + 0 + 300 + 1 + 8 + 284 = 666.

It is a super-2 number, since 2×73030018284² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (73030018289) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53189422 + ... + 53190794.

Almost surely, 2^73030018284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73030018284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96160648584).

73030018284 is an abundant number, since it is smaller than the sum of its proper divisors (119291278884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73030018284 is a wasteful number, since it uses less digits than its factorization.

73030018284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2466 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 73030018284 in words is "seventy-three billion, thirty million, eighteen thousand, two hundred eighty-four".