3447217642 has 24 divisors (see below), whose sum is σ = 5728439808. Its totient is φ = 1554565320.

The previous prime is 3447217601. The next prime is 3447217649. The reversal of 3447217642 is 2467127443.

It is a junction number, because it is equal to n+sod(n) for n = 3447217595 and 3447217604.

It is not an unprimeable number, because it can be changed into a prime (3447217649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25348 + ... + 86815.

It is an arithmetic number, because the mean of its divisors is an integer number (238684992).

Almost surely, 2^3447217642 is an apocalyptic number.

3447217642 is a deficient number, since it is larger than the sum of its proper divisors (2281222166).

3447217642 is a wasteful number, since it uses less digits than its factorization.

3447217642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112314 (or 112303 counting only the distinct ones).

The product of its digits is 225792, while the sum is 40.

The square root of 3447217642 is about 58713.0108408690. The cubic root of 3447217642 is about 1510.6234932310.

The spelling of 3447217642 in words is "three billion, four hundred forty-seven million, two hundred seventeen thousand, six hundred forty-two".