106564728 has 16 divisors (see below), whose sum is σ = 266411880. Its totient is φ = 35521568.

The previous prime is 106564723. The next prime is 106564729. The reversal of 106564728 is 827465601.

It is a super-2 number, since 2×106564728² = 22712082507427968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106564723) 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, 2220075 + ... + 2220122.

Almost surely, 2^106564728 is an apocalyptic number.

It is an amenable number.

106564728 is an abundant number, since it is smaller than the sum of its proper divisors (159847152).

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

106564728 is a wasteful number, since it uses less digits than its factorization.

106564728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440206 (or 4440202 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 106564728 is about 10323.0193257593. The cubic root of 106564728 is about 474.1013153792.

The spelling of 106564728 in words is "one hundred six million, five hundred sixty-four thousand, seven hundred twenty-eight".