33836720736 has 192 divisors, whose sum is σ = 109633305600. Its totient is φ = 8898287616.

The previous prime is 33836720681. The next prime is 33836720747. The reversal of 33836720736 is 63702763833.

It is a super-2 number, since 2×33836720736² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 3130830 + ... + 3141618.

It is an arithmetic number, because the mean of its divisors is an integer number (571006800).

Almost surely, 2^33836720736 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 33836720736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54816652800).

33836720736 is an abundant number, since it is smaller than the sum of its proper divisors (75796584864).

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

33836720736 is a wasteful number, since it uses less digits than its factorization.

33836720736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181 (or 11173 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 48.

The spelling of 33836720736 in words is "thirty-three billion, eight hundred thirty-six million, seven hundred twenty thousand, seven hundred thirty-six".