34721212 has 6 divisors (see below), whose sum is σ = 60762128. Its totient is φ = 17360604.

The previous prime is 34721177. The next prime is 34721213. The reversal of 34721212 is 21212743.

34721212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34721213) 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 as a sum of consecutive naturals, namely, 4340148 + ... + 4340155.

Almost surely, 2^34721212 is an apocalyptic number.

It is an amenable number.

34721212 is a deficient number, since it is larger than the sum of its proper divisors (26040916).

34721212 is a wasteful number, since it uses less digits than its factorization.

34721212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680307 (or 8680305 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 34721212 is about 5892.4707890663. The cubic root of 34721212 is about 326.2358061577.

Adding to 34721212 its reverse (21212743), we get a palindrome (55933955).

The spelling of 34721212 in words is "thirty-four million, seven hundred twenty-one thousand, two hundred twelve".