1728130352 has 40 divisors (see below), whose sum is σ = 3614976960. Its totient is φ = 795571200.

The previous prime is 1728130337. The next prime is 1728130367. The reversal of 1728130352 is 2530318271.

It is an interprime number because it is at equal distance from previous prime (1728130337) and next prime (1728130367).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73049 + ... + 93767.

It is an arithmetic number, because the mean of its divisors is an integer number (90374424).

Almost surely, 2^1728130352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1728130352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807488480).

1728130352 is an abundant number, since it is smaller than the sum of its proper divisors (1886846608).

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

1728130352 is a wasteful number, since it uses less digits than its factorization.

1728130352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21141 (or 21135 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1728130352 is about 41570.7872429667. The cubic root of 1728130352 is about 1200.0301733154.

The spelling of 1728130352 in words is "one billion, seven hundred twenty-eight million, one hundred thirty thousand, three hundred fifty-two".