3722647943 has 8 divisors (see below), whose sum is σ = 4341280800. Its totient is φ = 3190840800.

The previous prime is 3722647933. The next prime is 3722647963. The reversal of 3722647943 is 3497462273.

It is a de Polignac number, because none of the positive numbers 2^k-3722647943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722647933) 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, 5426258 + ... + 5426943.

It is an arithmetic number, because the mean of its divisors is an integer number (542660100).

Almost surely, 2^3722647943 is an apocalyptic number.

3722647943 is a deficient number, since it is larger than the sum of its proper divisors (618632857).

3722647943 is an equidigital number, since it uses as much as digits as its factorization.

3722647943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10853222 (or 10853208 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 47.

The square root of 3722647943 is about 61013.5062342757. The cubic root of 3722647943 is about 1549.8297340547.

The spelling of 3722647943 in words is "three billion, seven hundred twenty-two million, six hundred forty-seven thousand, nine hundred forty-three".