3720240347 has 2 divisors, whose sum is σ = 3720240348. Its totient is φ = 3720240346.

The previous prime is 3720240257. The next prime is 3720240361. The reversal of 3720240347 is 7430420273.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3720240347 - 2¹⁴ = 3720223963 is a prime.

It is not a weakly prime, because it can be changed into another prime (3720240647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1860120173 + 1860120174.

It is an arithmetic number, because the mean of its divisors is an integer number (1860120174).

Almost surely, 2^3720240347 is an apocalyptic number.

3720240347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3720240347 is an equidigital number, since it uses as much as digits as its factorization.

3720240347 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 3720240347 is about 60993.7730182352. The cubic root of 3720240347 is about 1549.4955482255.

The spelling of 3720240347 in words is "three billion, seven hundred twenty million, two hundred forty thousand, three hundred forty-seven".