1720883056 has 10 divisors (see below), whose sum is σ = 3334210952. Its totient is φ = 860441520.

The previous prime is 1720883027. The next prime is 1720883057. The reversal of 1720883056 is 6503880271.

It is a super-2 number, since 2×1720883056² = 5922876984855798272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720883057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53777580 + ... + 53777611.

Almost surely, 2^1720883056 is an apocalyptic number.

1720883056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1720883056 is a deficient number, since it is larger than the sum of its proper divisors (1613327896).

1720883056 is a wasteful number, since it uses less digits than its factorization.

1720883056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107555199 (or 107555193 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1720883056 is about 41483.5275259952. The cubic root of 1720883056 is about 1198.3502923524.

The spelling of 1720883056 in words is "one billion, seven hundred twenty million, eight hundred eighty-three thousand, fifty-six".