73373803776 has 1152 divisors, whose sum is σ = 284823060480. Its totient is φ = 18114969600.

The previous prime is 73373803771. The next prime is 73373803813. The reversal of 73373803776 is 67730837337.

It is a tau number, because it is divible by the number of its divisors (1152).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73373803771) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1033433821 + ... + 1033433891.

It is an arithmetic number, because the mean of its divisors is an integer number (247242240).

Almost surely, 2^73373803776 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 73373803776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142411530240).

73373803776 is an abundant number, since it is smaller than the sum of its proper divisors (211449256704).

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

73373803776 is a wasteful number, since it uses less digits than its factorization.

73373803776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 9335088, while the sum is 54.

The spelling of 73373803776 in words is "seventy-three billion, three hundred seventy-three million, eight hundred three thousand, seven hundred seventy-six".