73920103936 has 160 divisors (see below), whose sum is σ = 180474877440. Its totient is φ = 29524525056.

The previous prime is 73920103921. The next prime is 73920104009. The reversal of 73920103936 is 63930102937.

It is a junction number, because it is equal to n+sod(n) for n = 73920103892 and 73920103901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6269695 + ... + 6281473.

It is an arithmetic number, because the mean of its divisors is an integer number (1127967984).

Almost surely, 2^73920103936 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 73920103936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90237438720).

73920103936 is an abundant number, since it is smaller than the sum of its proper divisors (106554773504).

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

73920103936 is a wasteful number, since it uses less digits than its factorization.

73920103936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11924 (or 11908 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 43.

Subtracting from 73920103936 its reverse (63930102937), we obtain a palindrome (9990000999).

The spelling of 73920103936 in words is "seventy-three billion, nine hundred twenty million, one hundred three thousand, nine hundred thirty-six".