172471471072 has 12 divisors (see below), whose sum is σ = 339553208736. Its totient is φ = 86235735520.

The previous prime is 172471471021. The next prime is 172471471121. The reversal of 172471471072 is 270174174271.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2694866704 + ... + 2694866767.

It is an arithmetic number, because the mean of its divisors is an integer number (28296100728).

Almost surely, 2^172471471072 is an apocalyptic number.

It is an amenable number.

172471471072 is a deficient number, since it is larger than the sum of its proper divisors (167081737664).

172471471072 is an equidigital number, since it uses as much as digits as its factorization.

172471471072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389733481 (or 5389733473 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 43.

The spelling of 172471471072 in words is "one hundred seventy-two billion, four hundred seventy-one million, four hundred seventy-one thousand, seventy-two".