73380766536 has 384 divisors, whose sum is σ = 260858448000. Its totient is φ = 19056280320.

The previous prime is 73380766523. The next prime is 73380766541. The reversal of 73380766536 is 63566708337.

73380766536 is a `hidden beast` number, since 7 + 3 + 38 + 0 + 76 + 6 + 536 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14084700 + ... + 14089908.

It is an arithmetic number, because the mean of its divisors is an integer number (679318875).

Almost surely, 2^73380766536 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 73380766536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130429224000).

73380766536 is an abundant number, since it is smaller than the sum of its proper divisors (187477681464).

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

73380766536 is a wasteful number, since it uses less digits than its factorization.

73380766536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271 (or 5232 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 54.

The spelling of 73380766536 in words is "seventy-three billion, three hundred eighty million, seven hundred sixty-six thousand, five hundred thirty-six".