33678484736 has 36 divisors (see below), whose sum is σ = 72396605652. Its totient is φ = 15543914496.

The previous prime is 33678484709. The next prime is 33678484799. The reversal of 33678484736 is 63748487633.

It can be written as a sum of positive squares in 2 ways, for example, as 21507982336 + 12170502400 = 146656^2 + 110320^2 .

It is a super-2 number, since 2×33678484736² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5056541 + ... + 5063196.

Almost surely, 2^33678484736 is an apocalyptic number.

It is an amenable number.

33678484736 is an abundant number, since it is smaller than the sum of its proper divisors (38718120916).

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

33678484736 is a wasteful number, since it uses less digits than its factorization.

33678484736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10119766 (or 10119752 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 59.

The spelling of 33678484736 in words is "thirty-three billion, six hundred seventy-eight million, four hundred eighty-four thousand, seven hundred thirty-six".