8372407249 has 4 divisors (see below), whose sum is σ = 8598688564. Its totient is φ = 8146125936.

The previous prime is 8372407237. The next prime is 8372407273. The reversal of 8372407249 is 9427042738.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5296928400 + 3075478849 = 72780^2 + 55457^2 .

It is a cyclic number.

It is not a de Polignac number, because 8372407249 - 2¹⁵ = 8372374481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8372407199 and 8372407208.

It is not an unprimeable number, because it can be changed into a prime (8372407349) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 113140602 + ... + 113140675.

It is an arithmetic number, because the mean of its divisors is an integer number (2149672141).

Almost surely, 2^8372407249 is an apocalyptic number.

It is an amenable number.

8372407249 is a deficient number, since it is larger than the sum of its proper divisors (226281315).

8372407249 is a wasteful number, since it uses less digits than its factorization.

8372407249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226281314.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 8372407249 is about 91500.8592801182. The cubic root of 8372407249 is about 2030.5644647546.

The spelling of 8372407249 in words is "eight billion, three hundred seventy-two million, four hundred seven thousand, two hundred forty-nine".