105575407 has 4 divisors (see below), whose sum is σ = 120657616. Its totient is φ = 90493200.

The previous prime is 105575387. The next prime is 105575413. The reversal of 105575407 is 704575501.

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: 704575501 = 7 ⋅100653643.

It is a de Polignac number, because none of the positive numbers 2^k-105575407 is a prime.

It is a super-2 number, since 2×105575407² = 22292333126431298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105575807) 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, 7541094 + ... + 7541107.

It is an arithmetic number, because the mean of its divisors is an integer number (30164404).

Almost surely, 2^105575407 is an apocalyptic number.

105575407 is a deficient number, since it is larger than the sum of its proper divisors (15082209).

105575407 is an equidigital number, since it uses as much as digits as its factorization.

105575407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15082208.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 105575407 is about 10274.9893917220. The cubic root of 105575407 is about 472.6296045278.

The spelling of 105575407 in words is "one hundred five million, five hundred seventy-five thousand, four hundred seven".