8346721375 has 16 divisors (see below), whose sum is σ = 10964959200. Its totient is φ = 6325934400.

The previous prime is 8346721363. The next prime is 8346721403. The reversal of 8346721375 is 5731276438.

It is a happy number.

It is not a de Polignac number, because 8346721375 - 2¹³ = 8346713183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1754830 + ... + 1759579.

It is an arithmetic number, because the mean of its divisors is an integer number (685309950).

Almost surely, 2^8346721375 is an apocalyptic number.

8346721375 is a deficient number, since it is larger than the sum of its proper divisors (2618237825).

8346721375 is a wasteful number, since it uses less digits than its factorization.

8346721375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514443 (or 3514433 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 8346721375 is about 91360.3928132974. The cubic root of 8346721375 is about 2028.4858012678.

The spelling of 8346721375 in words is "eight billion, three hundred forty-six million, seven hundred twenty-one thousand, three hundred seventy-five".