33940700 has 36 divisors (see below), whose sum is σ = 74078592. Its totient is φ = 13497600.

The previous prime is 33940681. The next prime is 33940703. The reversal of 33940700 is 704933.

It is a super-2 number, since 2×33940700² = 2303942232980000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33940700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33940703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18212 + ... + 19988.

Almost surely, 2^33940700 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 33940700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37039296).

33940700 is an abundant number, since it is smaller than the sum of its proper divisors (40137892).

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

33940700 is a wasteful number, since it uses less digits than its factorization.

33940700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 33940700 is about 5825.8647426798. The cubic root of 33940700 is about 323.7727283875.

The spelling of 33940700 in words is "thirty-three million, nine hundred forty thousand, seven hundred".