33949972 has 24 divisors (see below), whose sum is σ = 68917184. Its totient is φ = 14332032.

The previous prime is 33949967. The next prime is 33949973. The reversal of 33949972 is 27994933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33949973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7173 + ... + 10924.

Almost surely, 2^33949972 is an apocalyptic number.

It is an amenable number.

33949972 is an abundant number, since it is smaller than the sum of its proper divisors (34967212).

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

33949972 is a wasteful number, since it uses less digits than its factorization.

33949972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18175 (or 18173 counting only the distinct ones).

The product of its digits is 367416, while the sum is 46.

The square root of 33949972 is about 5826.6604500348. The cubic root of 33949972 is about 323.8022087008.

It can be divided in two parts, 3394 and 9972, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 33949972 in words is "thirty-three million, nine hundred forty-nine thousand, nine hundred seventy-two".