33973340 has 24 divisors (see below), whose sum is σ = 72516192. Its totient is φ = 13366080.

The previous prime is 33973309. The next prime is 33973343. The reversal of 33973340 is 4337933.

It is a junction number, because it is equal to n+sod(n) for n = 33973297 and 33973306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33973343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12704 + ... + 15143.

It is an arithmetic number, because the mean of its divisors is an integer number (3021508).

Almost surely, 2^33973340 is an apocalyptic number.

It is an amenable number.

33973340 is an abundant number, since it is smaller than the sum of its proper divisors (38542852).

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

33973340 is a wasteful number, since it uses less digits than its factorization.

33973340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27917 (or 27915 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 32.

The square root of 33973340 is about 5828.6653703914. The cubic root of 33973340 is about 323.8764834271.

The spelling of 33973340 in words is "thirty-three million, nine hundred seventy-three thousand, three hundred forty".