74047343 has 2 divisors, whose sum is σ = 74047344. Its totient is φ = 74047342.

The previous prime is 74047339. The next prime is 74047367. The reversal of 74047343 is 34374047.

It is a weak prime.

It is an emirp because it is prime and its reverse (34374047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74047343 - 2² = 74047339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74047243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37023671 + 37023672.

It is an arithmetic number, because the mean of its divisors is an integer number (37023672).

Almost surely, 2^74047343 is an apocalyptic number.

74047343 is a deficient number, since it is larger than the sum of its proper divisors (1).

74047343 is an equidigital number, since it uses as much as digits as its factorization.

74047343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 74047343 is about 8605.0765830410. The cubic root of 74047343 is about 419.9231586558.

The spelling of 74047343 in words is "seventy-four million, forty-seven thousand, three hundred forty-three".