33745940 has 12 divisors (see below), whose sum is σ = 70866516. Its totient is φ = 13498368.

The previous prime is 33745931. The next prime is 33745951. The reversal of 33745940 is 4954733.

It can be written as a sum of positive squares in 2 ways, for example, as 3429904 + 30316036 = 1852^2 + 5506^2 .

It is a super-2 number, since 2×33745940² = 2277576932967200, 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 33745940.

It is a congruent number.

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, 843629 + ... + 843668.

It is an arithmetic number, because the mean of its divisors is an integer number (5905543).

Almost surely, 2^33745940 is an apocalyptic number.

It is an amenable number.

33745940 is an abundant number, since it is smaller than the sum of its proper divisors (37120576).

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

33745940 is a wasteful number, since it uses less digits than its factorization.

33745940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687306 (or 1687304 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 33745940 is about 5809.1255796376. The cubic root of 33745940 is about 323.1522444594.

The spelling of 33745940 in words is "thirty-three million, seven hundred forty-five thousand, nine hundred forty".