1720233372 has 48 divisors (see below), whose sum is σ = 4715609472. Its totient is φ = 481183680.

The previous prime is 1720233371. The next prime is 1720233379. The reversal of 1720233372 is 2733320271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720233371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499518 + ... + 502949.

It is an arithmetic number, because the mean of its divisors is an integer number (98241864).

Almost surely, 2^1720233372 is an apocalyptic number.

1720233372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1720233372 is an abundant number, since it is smaller than the sum of its proper divisors (2995376100).

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

1720233372 is a wasteful number, since it uses less digits than its factorization.

1720233372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002498 (or 1002496 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 1720233372 is about 41475.6961605227. The cubic root of 1720233372 is about 1198.1994692030.

The spelling of 1720233372 in words is "one billion, seven hundred twenty million, two hundred thirty-three thousand, three hundred seventy-two".