106728120732 has 24 divisors (see below), whose sum is σ = 250101096336. Its totient is φ = 35423352448.

The previous prime is 106728120701. The next prime is 106728120743. The reversal of 106728120732 is 237021827601.

It is a super-2 number, since 2×106728120732² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19083063 + ... + 19088654.

It is an arithmetic number, because the mean of its divisors is an integer number (10420879014).

Almost surely, 2^106728120732 is an apocalyptic number.

106728120732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

106728120732 is an abundant number, since it is smaller than the sum of its proper divisors (143372975604).

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

106728120732 is a wasteful number, since it uses less digits than its factorization.

106728120732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38171957 (or 38171955 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 106728120732 in words is "one hundred six billion, seven hundred twenty-eight million, one hundred twenty thousand, seven hundred thirty-two".