8372320546 has 4 divisors (see below), whose sum is σ = 12558480822. Its totient is φ = 4186160272.

The previous prime is 8372320519. The next prime is 8372320553. The reversal of 8372320546 is 6450232738.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6450232738 = 2 ⋅3225116369.

It can be written as a sum of positive squares in only one way, i.e., 6667539025 + 1704781521 = 81655^2 + 41289^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8372320499 and 8372320508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2093080135 + ... + 2093080138.

Almost surely, 2^8372320546 is an apocalyptic number.

8372320546 is a deficient number, since it is larger than the sum of its proper divisors (4186160276).

8372320546 is a wasteful number, since it uses less digits than its factorization.

8372320546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186160275.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 8372320546 is about 91500.3854964557. The cubic root of 8372320546 is about 2030.5574553552.

The spelling of 8372320546 in words is "eight billion, three hundred seventy-two million, three hundred twenty thousand, five hundred forty-six".