1722876481872 has 480 divisors, whose sum is σ = 6154871340800. Its totient is φ = 446925911040.

The previous prime is 1722876481871. The next prime is 1722876481883. The reversal of 1722876481872 is 2781846782271.

1722876481872 is a `hidden beast` number, since 1 + 7 + 2 + 2 + 8 + 76 + 481 + 87 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1722876481871) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39145863 + ... + 39189849.

Almost surely, 2^{1722876481872} is an apocalyptic number.

1722876481872 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 1722876481872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3077435670400).

1722876481872 is an abundant number, since it is smaller than the sum of its proper divisors (4431994858928).

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

1722876481872 is a wasteful number, since it uses less digits than its factorization.

1722876481872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44096 (or 44073 counting only the distinct ones).

The product of its digits is 33718272, while the sum is 63.

The spelling of 1722876481872 in words is "one trillion, seven hundred twenty-two billion, eight hundred seventy-six million, four hundred eighty-one thousand, eight hundred seventy-two".