1720433152 has 40 divisors (see below), whose sum is σ = 3444350976. Its totient is φ = 858504192.

The previous prime is 1720433107. The next prime is 1720433233. The reversal of 1720433152 is 2513340271.

It is a self number, because there is not a number n which added to its sum of digits gives 1720433152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276993 + ... + 283135.

Almost surely, 2^1720433152 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 1720433152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1722175488).

1720433152 is an abundant number, since it is smaller than the sum of its proper divisors (1723917824).

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

1720433152 is an frugal number, since it uses more digits than its factorization.

1720433152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6708 (or 6692 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1720433152 is about 41478.1044889952. The cubic root of 1720433152 is about 1198.2458518679.

The spelling of 1720433152 in words is "one billion, seven hundred twenty million, four hundred thirty-three thousand, one hundred fifty-two".