8720732375 has 8 divisors (see below), whose sum is σ = 10883474160. Its totient is φ = 6976585800.

The previous prime is 8720732341. The next prime is 8720732381. The reversal of 8720732375 is 5732370278.

It is a happy number.

It is not a de Polignac number, because 8720732375 - 2⁶ = 8720732311 is a prime.

It is a congruent 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, 34882805 + ... + 34883054.

It is an arithmetic number, because the mean of its divisors is an integer number (1360434270).

Almost surely, 2^8720732375 is an apocalyptic number.

8720732375 is a deficient number, since it is larger than the sum of its proper divisors (2162741785).

8720732375 is an equidigital number, since it uses as much as digits as its factorization.

8720732375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69765874 (or 69765864 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 44.

The square root of 8720732375 is about 93384.8615943719. The cubic root of 8720732375 is about 2058.3425552465.

The spelling of 8720732375 in words is "eight billion, seven hundred twenty million, seven hundred thirty-two thousand, three hundred seventy-five".