8342072045 has 4 divisors (see below), whose sum is σ = 10010486460. Its totient is φ = 6673657632.

The previous prime is 8342072033. The next prime is 8342072047. The reversal of 8342072045 is 5402702438.

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 4378865929 + 3963206116 = 66173^2 + 62954^2 .

It is a cyclic number.

It is not a de Polignac number, because 8342072045 - 2⁶ = 8342071981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8342071996 and 8342072014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8342072047) 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, 834207200 + ... + 834207209.

It is an arithmetic number, because the mean of its divisors is an integer number (2502621615).

Almost surely, 2^8342072045 is an apocalyptic number.

It is an amenable number.

8342072045 is a deficient number, since it is larger than the sum of its proper divisors (1668414415).

8342072045 is a wasteful number, since it uses less digits than its factorization.

8342072045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668414414.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 8342072045 is about 91334.9442710729. The cubic root of 8342072045 is about 2028.1090924130.

The spelling of 8342072045 in words is "eight billion, three hundred forty-two million, seventy-two thousand, forty-five".