106720715 has 16 divisors (see below), whose sum is σ = 129504000. Its totient is φ = 84424032.

The previous prime is 106720697. The next prime is 106720717. The reversal of 106720715 is 517027601.

It is a cyclic number.

It is not a de Polignac number, because 106720715 - 2⁶ = 106720651 is a prime.

It is a super-2 number, since 2×106720715² = 22778622020222450, 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 15 ways as a sum of consecutive naturals, for example, 281396 + ... + 281774.

It is an arithmetic number, because the mean of its divisors is an integer number (8094000).

Almost surely, 2^106720715 is an apocalyptic number.

106720715 is a deficient number, since it is larger than the sum of its proper divisors (22783285).

106720715 is a wasteful number, since it uses less digits than its factorization.

106720715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 106720715 is about 10330.5718621962. The cubic root of 106720715 is about 474.3325288044.

The spelling of 106720715 in words is "one hundred six million, seven hundred twenty thousand, seven hundred fifteen".