73782513336 has 128 divisors (see below), whose sum is σ = 216636456960. Its totient is φ = 20501068800.

The previous prime is 73782513289. The next prime is 73782513341. The reversal of 73782513336 is 63331528737.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2166601 + ... + 2200391.

It is an arithmetic number, because the mean of its divisors is an integer number (1692472320).

Almost surely, 2^73782513336 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 73782513336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108318228480).

73782513336 is an abundant number, since it is smaller than the sum of its proper divisors (142853943624).

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

73782513336 is a wasteful number, since it uses less digits than its factorization.

73782513336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34165 (or 34161 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 48.

The spelling of 73782513336 in words is "seventy-three billion, seven hundred eighty-two million, five hundred thirteen thousand, three hundred thirty-six".