2732919920 has 20 divisors (see below), whose sum is σ = 6354039000. Its totient is φ = 1093167936.

The previous prime is 2732919901. The next prime is 2732919923. The reversal of 2732919920 is 299192372.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2732919923) by changing a digit.

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, 17080670 + ... + 17080829.

It is an arithmetic number, because the mean of its divisors is an integer number (317701950).

Almost surely, 2^2732919920 is an apocalyptic number.

2732919920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2732919920 is an abundant number, since it is smaller than the sum of its proper divisors (3621119080).

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

2732919920 is a wasteful number, since it uses less digits than its factorization.

2732919920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34161512 (or 34161506 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 2732919920 is about 52277.3365809698. The cubic root of 2732919920 is about 1398.1130906335.

The spelling of 2732919920 in words is "two billion, seven hundred thirty-two million, nine hundred nineteen thousand, nine hundred twenty".