73689819232 has 96 divisors (see below), whose sum is σ = 155677261824. Its totient is φ = 34246080000.

The previous prime is 73689819223. The next prime is 73689819239. The reversal of 73689819232 is 23291898637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73689819239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31342857 + ... + 31345207.

It is an arithmetic number, because the mean of its divisors is an integer number (1621638144).

Almost surely, 2^73689819232 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 73689819232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77838630912).

73689819232 is an abundant number, since it is smaller than the sum of its proper divisors (81987442592).

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

73689819232 is a wasteful number, since it uses less digits than its factorization.

73689819232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572 (or 3564 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 58.

The spelling of 73689819232 in words is "seventy-three billion, six hundred eighty-nine million, eight hundred nineteen thousand, two hundred thirty-two".