1720090832 has 40 divisors (see below), whose sum is σ = 3405424896. Its totient is φ = 841366656.

The previous prime is 1720090789. The next prime is 1720090849. The reversal of 1720090832 is 2380900271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308453 + ... + 313979.

Almost surely, 2^1720090832 is an apocalyptic number.

It is an amenable number.

1720090832 is a deficient number, since it is larger than the sum of its proper divisors (1685334064).

1720090832 is a wasteful number, since it uses less digits than its factorization.

1720090832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955 (or 5949 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1720090832 is about 41473.9777691988. The cubic root of 1720090832 is about 1198.1663736799.

The spelling of 1720090832 in words is "one billion, seven hundred twenty million, ninety thousand, eight hundred thirty-two".