33674373738 has 96 divisors (see below), whose sum is σ = 80685611136. Its totient is φ = 10095934464.

The previous prime is 33674373737. The next prime is 33674373769. The reversal of 33674373738 is 83737347633.

It is a super-2 number, since 2×33674373738² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (33674373737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14659006 + ... + 14661302.

It is an arithmetic number, because the mean of its divisors is an integer number (840475116).

Almost surely, 2^33674373738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33674373738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40342805568).

33674373738 is an abundant number, since it is smaller than the sum of its proper divisors (47011237398).

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

33674373738 is a wasteful number, since it uses less digits than its factorization.

33674373738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428 (or 4425 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 54.

The spelling of 33674373738 in words is "thirty-three billion, six hundred seventy-four million, three hundred seventy-three thousand, seven hundred thirty-eight".