106720716 has 12 divisors (see below), whose sum is σ = 249015032. Its totient is φ = 35573568.

The previous prime is 106720697. The next prime is 106720717. The reversal of 106720716 is 617027601.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×106720716² = 22778622447105312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106720717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4446685 + ... + 4446708.

Almost surely, 2^106720716 is an apocalyptic number.

It is an amenable number.

106720716 is an abundant number, since it is smaller than the sum of its proper divisors (142294316).

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

106720716 is a wasteful number, since it uses less digits than its factorization.

106720716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893400 (or 8893398 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 106720716 is about 10330.5719105962. The cubic root of 106720716 is about 474.3325302860.

The spelling of 106720716 in words is "one hundred six million, seven hundred twenty thousand, seven hundred sixteen".