74343412 has 24 divisors (see below), whose sum is σ = 152847072. Its totient is φ = 31192800.

The previous prime is 74343403. The next prime is 74343413. The reversal of 74343412 is 21434347.

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 (74343413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64414 + ... + 65557.

It is an arithmetic number, because the mean of its divisors is an integer number (6368628).

Almost surely, 2^74343412 is an apocalyptic number.

It is an amenable number.

74343412 is an abundant number, since it is smaller than the sum of its proper divisors (78503660).

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

74343412 is a wasteful number, since it uses less digits than its factorization.

74343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129999 (or 129997 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 74343412 is about 8622.2625800888. The cubic root of 74343412 is about 420.4820843863.

Adding to 74343412 its reverse (21434347), we get a palindrome (95777759).

The spelling of 74343412 in words is "seventy-four million, three hundred forty-three thousand, four hundred twelve".