33749274 has 32 divisors (see below), whose sum is σ = 73624320. Its totient is φ = 10251072.

The previous prime is 33749269. The next prime is 33749311. The reversal of 33749274 is 47294733.

It is a super-2 number, since 2×33749274² = 2278026991054152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3424 + ... + 8900.

It is an arithmetic number, because the mean of its divisors is an integer number (2300760).

Almost surely, 2^33749274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33749274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36812160).

33749274 is an abundant number, since it is smaller than the sum of its proper divisors (39875046).

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

33749274 is a wasteful number, since it uses less digits than its factorization.

33749274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574.

The product of its digits is 127008, while the sum is 39.

The square root of 33749274 is about 5809.4125348438. The cubic root of 33749274 is about 323.1628862740.

The spelling of 33749274 in words is "thirty-three million, seven hundred forty-nine thousand, two hundred seventy-four".