1729486080 has 360 divisors, whose sum is σ = 7075444992. Its totient is φ = 395145216.

The previous prime is 1729486043. The next prime is 1729486093. The reversal of 1729486080 is 806849271.

1729486080 is a `hidden beast` number, since 17 + 29 + 4 + 8 + 608 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×1729486080² = 5982244201827532800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 724569 + ... + 726951.

Almost surely, 2^1729486080 is an apocalyptic number.

1729486080 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 1729486080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3537722496).

1729486080 is an abundant number, since it is smaller than the sum of its proper divisors (5345958912).

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

1729486080 is an equidigital number, since it uses as much as digits as its factorization.

1729486080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1729486080 is about 41587.0903045645. The cubic root of 1729486080 is about 1200.3439014338.

It can be divided in two parts, 1 and 729486080, that added together give a square (729486081 = 27009²).

The spelling of 1729486080 in words is "one billion, seven hundred twenty-nine million, four hundred eighty-six thousand, eighty".