33387974 has 8 divisors (see below), whose sum is σ = 50578128. Its totient is φ = 16528600.

The previous prime is 33387967. The next prime is 33387979. The reversal of 33387974 is 47978333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33387974² = 2229513615649352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33387979) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 82442 + ... + 82845.

It is an arithmetic number, because the mean of its divisors is an integer number (6322266).

Almost surely, 2^33387974 is an apocalyptic number.

33387974 is a deficient number, since it is larger than the sum of its proper divisors (17190154).

33387974 is a wasteful number, since it uses less digits than its factorization.

33387974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165390.

The product of its digits is 381024, while the sum is 44.

The square root of 33387974 is about 5778.2327748197. The cubic root of 33387974 is about 322.0055488158.

The spelling of 33387974 in words is "thirty-three million, three hundred eighty-seven thousand, nine hundred seventy-four".