1720712004480 has 864 divisors, whose sum is σ = 7178265914040. Its totient is φ = 393258571776.

The previous prime is 1720712004463. The next prime is 1720712004497. The reversal of 1720712004480 is 844002170271.

1720712004480 is a `hidden beast` number, since 1 + 7 + 2 + 0 + 7 + 1 + 200 + 448 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1720712004463) and next prime (1720712004497).

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 205748779 + ... + 205757141.

Almost surely, 2^{1720712004480} is an apocalyptic number.

1720712004480 is a gapful number since it is divisible by the number (10) 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 1720712004480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3589132957020).

1720712004480 is an abundant number, since it is smaller than the sum of its proper divisors (5457553909560).

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

1720712004480 is an frugal number, since it uses more digits than its factorization.

1720712004480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420 (or 8380 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The spelling of 1720712004480 in words is "one trillion, seven hundred twenty billion, seven hundred twelve million, four thousand, four hundred eighty".