107528407 has 4 divisors (see below), whose sum is σ = 122889616. Its totient is φ = 92167200.

The previous prime is 107528357. The next prime is 107528411. The reversal of 107528407 is 704825701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704825701 = 173 ⋅4074137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107528407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107528437) 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, 7680594 + ... + 7680607.

It is an arithmetic number, because the mean of its divisors is an integer number (30722404).

Almost surely, 2^107528407 is an apocalyptic number.

107528407 is a deficient number, since it is larger than the sum of its proper divisors (15361209).

107528407 is an equidigital number, since it uses as much as digits as its factorization.

107528407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15361208.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 107528407 is about 10369.5904933609. The cubic root of 107528407 is about 475.5261493881.

The spelling of 107528407 in words is "one hundred seven million, five hundred twenty-eight thousand, four hundred seven".