33704140 has 12 divisors (see below), whose sum is σ = 70778736. Its totient is φ = 13481648.

The previous prime is 33704113. The next prime is 33704159. The reversal of 33704140 is 4140733.

It is a happy number.

It is a super-2 number, since 2×33704140² = 2271938106279200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842584 + ... + 842623.

It is an arithmetic number, because the mean of its divisors is an integer number (5898228).

Almost surely, 2^33704140 is an apocalyptic number.

It is an amenable number.

33704140 is an abundant number, since it is smaller than the sum of its proper divisors (37074596).

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

33704140 is a wasteful number, since it uses less digits than its factorization.

33704140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685216 (or 1685214 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 33704140 is about 5805.5266772275. The cubic root of 33704140 is about 323.0187632676.

Adding to 33704140 its reverse (4140733), we get a palindrome (37844873).

The spelling of 33704140 in words is "thirty-three million, seven hundred four thousand, one hundred forty".