1722342052672 has 14 divisors (see below), whose sum is σ = 3417772510898. Its totient is φ = 861171026304.

The previous prime is 1722342052597. The next prime is 1722342052747. The reversal of 1722342052672 is 2762502432271.

It is an interprime number because it is at equal distance from previous prime (1722342052597) and next prime (1722342052747).

It can be written as a sum of positive squares in only one way, i.e., 1568345456896 + 153996595776 = 1252336^2 + 392424^2 .

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, 13455797223 + ... + 13455797350.

Almost surely, 2^{1722342052672} is an apocalyptic number.

It is an amenable number.

1722342052672 is a deficient number, since it is larger than the sum of its proper divisors (1695430458226).

1722342052672 is an equidigital number, since it uses as much as digits as its factorization.

1722342052672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26911594585 (or 26911594575 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 1722342052672 in words is "one trillion, seven hundred twenty-two billion, three hundred forty-two million, fifty-two thousand, six hundred seventy-two".