33340736 has 56 divisors (see below), whose sum is σ = 77748384. Its totient is φ = 13985280.

The previous prime is 33340729. The next prime is 33340751. The reversal of 33340736 is 63704333.

It is a super-2 number, since 2×33340736² = 2223209354043392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33340699 and 33340708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7331 + ... + 10973.

It is an arithmetic number, because the mean of its divisors is an integer number (1388364).

Almost surely, 2^33340736 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 33340736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38874192).

33340736 is an abundant number, since it is smaller than the sum of its proper divisors (44407648).

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

33340736 is a wasteful number, since it uses less digits than its factorization.

33340736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679 (or 3669 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 29.

The square root of 33340736 is about 5774.1437460458. The cubic root of 33340736 is about 321.8536170921.

The spelling of 33340736 in words is "thirty-three million, three hundred forty thousand, seven hundred thirty-six".