33753940 has 24 divisors (see below), whose sum is σ = 77327712. Its totient is φ = 12274080.

The previous prime is 33753931. The next prime is 33753961. The reversal of 33753940 is 4935733.

It is a super-2 number, since 2×33753940² = 2278656931047200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33753896 and 33753905.

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, 76494 + ... + 76933.

It is an arithmetic number, because the mean of its divisors is an integer number (3221988).

Almost surely, 2^33753940 is an apocalyptic number.

It is an amenable number.

33753940 is an abundant number, since it is smaller than the sum of its proper divisors (43573772).

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

33753940 is a wasteful number, since it uses less digits than its factorization.

33753940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153447 (or 153445 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 33753940 is about 5809.8141106235. The cubic root of 33753940 is about 323.1777785305.

The spelling of 33753940 in words is "thirty-three million, seven hundred fifty-three thousand, nine hundred forty".