1722560892 has 72 divisors (see below), whose sum is σ = 4362696576. Its totient is φ = 528750144.

The previous prime is 1722560867. The next prime is 1722560893. The reversal of 1722560892 is 2980652271.

1722560892 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1722560892³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1722560893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1189713 + ... + 1191159.

It is an arithmetic number, because the mean of its divisors is an integer number (60593008).

Almost surely, 2^1722560892 is an apocalyptic number.

1722560892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1722560892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2181348288).

1722560892 is an abundant number, since it is smaller than the sum of its proper divisors (2640135684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1722560892 is a wasteful number, since it uses less digits than its factorization.

1722560892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1722560892 is about 41503.7455177241. The cubic root of 1722560892 is about 1198.7396238958.

The spelling of 1722560892 in words is "one billion, seven hundred twenty-two million, five hundred sixty thousand, eight hundred ninety-two".