1722710545 has 8 divisors (see below), whose sum is σ = 2073988224. Its totient is φ = 1373678064.

The previous prime is 1722710543. The next prime is 1722710551. The reversal of 1722710545 is 5450172271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1722710545 - 2¹ = 1722710543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1722710545.

It is not an unprimeable number, because it can be changed into a prime (1722710543) 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, 559609 + ... + 562678.

It is an arithmetic number, because the mean of its divisors is an integer number (259248528).

Almost surely, 2^1722710545 is an apocalyptic number.

It is an amenable number.

1722710545 is a deficient number, since it is larger than the sum of its proper divisors (351277679).

1722710545 is a wasteful number, since it uses less digits than its factorization.

1722710545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122599.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 1722710545 is about 41505.5483640441. The cubic root of 1722710545 is about 1198.7743376731.

It can be divided in two parts, 17227 and 10545, that added together give a palindrome (27772).

The spelling of 1722710545 in words is "one billion, seven hundred twenty-two million, seven hundred ten thousand, five hundred forty-five".