1720572152 has 32 divisors (see below), whose sum is σ = 3507984480. Its totient is φ = 786395520.

The previous prime is 1720572149. The next prime is 1720572157. The reversal of 1720572152 is 2512750271.

It is a super-2 number, since 2×1720572152² = 5920737060475822208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720572157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69599 + ... + 91022.

It is an arithmetic number, because the mean of its divisors is an integer number (109624515).

Almost surely, 2^1720572152 is an apocalyptic number.

It is an amenable number.

1720572152 is an abundant number, since it is smaller than the sum of its proper divisors (1787412328).

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

1720572152 is a wasteful number, since it uses less digits than its factorization.

1720572152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160743 (or 160739 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 1720572152 is about 41479.7800379896. The cubic root of 1720572152 is about 1198.2781212003.

The spelling of 1720572152 in words is "one billion, seven hundred twenty million, five hundred seventy-two thousand, one hundred fifty-two".