33106740 has 96 divisors (see below), whose sum is σ = 98824320. Its totient is φ = 8257536.

The previous prime is 33106727. The next prime is 33106751. The reversal of 33106740 is 4760133.

It is a self number, because there is not a number n which added to its sum of digits gives 33106740.

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, 128692 + ... + 128948.

It is an arithmetic number, because the mean of its divisors is an integer number (1029420).

Almost surely, 2^33106740 is an apocalyptic number.

33106740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33106740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49412160).

33106740 is an abundant number, since it is smaller than the sum of its proper divisors (65717580).

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

33106740 is a wasteful number, since it uses less digits than its factorization.

33106740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 33106740 is about 5753.8456705059. The cubic root of 33106740 is about 321.0988913196.

Adding to 33106740 its reverse (4760133), we get a palindrome (37866873).

The spelling of 33106740 in words is "thirty-three million, one hundred six thousand, seven hundred forty".