107257705 has 8 divisors (see below), whose sum is σ = 128764872. Its totient is φ = 85769088.

The previous prime is 107257697. The next prime is 107257741. The reversal of 107257705 is 507752701.

It can be written as a sum of positive squares in 4 ways, for example, as 29888089 + 77369616 = 5467^2 + 8796^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 107257705 - 2³ = 107257697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19879 + ... + 24691.

It is an arithmetic number, because the mean of its divisors is an integer number (16095609).

Almost surely, 2^107257705 is an apocalyptic number.

It is an amenable number.

107257705 is a deficient number, since it is larger than the sum of its proper divisors (21507167).

107257705 is an equidigital number, since it uses as much as digits as its factorization.

107257705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 107257705 is about 10356.5295828284. The cubic root of 107257705 is about 475.1267694885.

The spelling of 107257705 in words is "one hundred seven million, two hundred fifty-seven thousand, seven hundred five".