4375704721 has 4 divisors (see below), whose sum is σ = 4375846692. Its totient is φ = 4375562752.

The previous prime is 4375704689. The next prime is 4375704761. The reversal of 4375704721 is 1274075734.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4338066496 + 37638225 = 65864^2 + 6135^2 .

It is a cyclic number.

It is not a de Polignac number, because 4375704721 - 2⁵ = 4375704689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4375704761) 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, 3136 + ... + 93601.

It is an arithmetic number, because the mean of its divisors is an integer number (1093961673).

Almost surely, 2^4375704721 is an apocalyptic number.

It is an amenable number.

4375704721 is a deficient number, since it is larger than the sum of its proper divisors (141971).

4375704721 is an equidigital number, since it uses as much as digits as its factorization.

4375704721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141970.

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 4375704721 is about 66149.1097521350. The cubic root of 4375704721 is about 1635.6209671080.

The spelling of 4375704721 in words is "four billion, three hundred seventy-five million, seven hundred four thousand, seven hundred twenty-one".