33978076 has 12 divisors (see below), whose sum is σ = 64867320. Its totient is φ = 15444560.

The previous prime is 33978073. The next prime is 33978089. The reversal of 33978076 is 67087933.

33978076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33978073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386071 + ... + 386158.

It is an arithmetic number, because the mean of its divisors is an integer number (5405610).

Almost surely, 2^33978076 is an apocalyptic number.

It is an amenable number.

33978076 is a deficient number, since it is larger than the sum of its proper divisors (30889244).

33978076 is a wasteful number, since it uses less digits than its factorization.

33978076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772244 (or 772242 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 33978076 is about 5829.0716241954. The cubic root of 33978076 is about 323.8915325583.

The spelling of 33978076 in words is "thirty-three million, nine hundred seventy-eight thousand, seventy-six".