74071212 has 24 divisors (see below), whose sum is σ = 173715696. Its totient is φ = 24564288.

The previous prime is 74071211. The next prime is 74071223. The reversal of 74071212 is 21217047.

It is not an unprimeable number, because it can be changed into a prime (74071211) 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 7 ways as a sum of consecutive naturals, for example, 13303 + ... + 18030.

It is an arithmetic number, because the mean of its divisors is an integer number (7238154).

Almost surely, 2^74071212 is an apocalyptic number.

It is an amenable number.

74071212 is an abundant number, since it is smaller than the sum of its proper divisors (99644484).

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

74071212 is a wasteful number, since it uses less digits than its factorization.

74071212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31537 (or 31535 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 74071212 is about 8606.4633851542. The cubic root of 74071212 is about 419.9682742476.

Adding to 74071212 its reverse (21217047), we get a palindrome (95288259).

The spelling of 74071212 in words is "seventy-four million, seventy-one thousand, two hundred twelve".