33374040 has 128 divisors (see below), whose sum is σ = 116328960. Its totient is φ = 7501824.

The previous prime is 33374017. The next prime is 33374053. The reversal of 33374040 is 4047333.

It is a super-2 number, since 2×33374040² = 2227653091843200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 33374040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55984 + ... + 56576.

It is an arithmetic number, because the mean of its divisors is an integer number (908820).

Almost surely, 2^33374040 is an apocalyptic number.

33374040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33374040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58164480).

33374040 is an abundant number, since it is smaller than the sum of its proper divisors (82954920).

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

33374040 is a wasteful number, since it uses less digits than its factorization.

33374040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 33374040 is about 5777.0269170223. The cubic root of 33374040 is about 321.9607477583.

The spelling of 33374040 in words is "thirty-three million, three hundred seventy-four thousand, forty".