4375665 has 48 divisors (see below), whose sum is σ = 8985600. Its totient is φ = 1927296.

The previous prime is 4375649. The next prime is 4375667. The reversal of 4375665 is 5665734.

It is not a de Polignac number, because 4375665 - 2⁴ = 4375649 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4375667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8896 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (187200).

Almost surely, 2^4375665 is an apocalyptic number.

4375665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4375665 is an abundant number, since it is smaller than the sum of its proper divisors (4609935).

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

4375665 is a wasteful number, since it uses less digits than its factorization.

4375665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 523 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 4375665 is about 2091.8090257000. The cubic root of 4375665 is about 163.5616017909.

The spelling of 4375665 in words is "four million, three hundred seventy-five thousand, six hundred sixty-five".