73284632388 has 120 divisors (see below), whose sum is σ = 210523842144. Its totient is φ = 22045219200.

The previous prime is 73284632387. The next prime is 73284632413. The reversal of 73284632388 is 88323648237.

73284632388 is a `hidden beast` number, since 73 + 284 + 63 + 238 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (73284632387) 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, 413223 + ... + 563313.

Almost surely, 2^73284632388 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 73284632388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105261921072).

73284632388 is an abundant number, since it is smaller than the sum of its proper divisors (137239209756).

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

73284632388 is a wasteful number, since it uses less digits than its factorization.

73284632388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150255 (or 150244 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

It can be divided in two parts, 7328 and 4632388, that added together give a square (4639716 = 2154²).

The spelling of 73284632388 in words is "seventy-three billion, two hundred eighty-four million, six hundred thirty-two thousand, three hundred eighty-eight".