34978012 has 18 divisors (see below), whose sum is σ = 64605408. Its totient is φ = 16567848.

The previous prime is 34978001. The next prime is 34978019. The reversal of 34978012 is 21087943.

34978012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×34978012² = 2446922646944288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34978019) 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 5 ways as a sum of consecutive naturals, for example, 10668 + ... + 13555.

Almost surely, 2^34978012 is an apocalyptic number.

It is an amenable number.

34978012 is a deficient number, since it is larger than the sum of its proper divisors (29627396).

34978012 is a wasteful number, since it uses less digits than its factorization.

34978012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24265 (or 24244 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 34978012 is about 5914.2211659694. The cubic root of 34978012 is about 327.0381174256.

The spelling of 34978012 in words is "thirty-four million, nine hundred seventy-eight thousand, twelve".