8072429 has 2 divisors, whose sum is σ = 8072430. Its totient is φ = 8072428.

The previous prime is 8072423. The next prime is 8072447. The reversal of 8072429 is 9242708.

8072429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5175625 + 2896804 = 2275^2 + 1702^2 .

It is a cyclic number.

It is not a de Polignac number, because 8072429 - 2⁸ = 8072173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8072395 and 8072404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8072423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4036214 + 4036215.

It is an arithmetic number, because the mean of its divisors is an integer number (4036215).

Almost surely, 2^8072429 is an apocalyptic number.

It is an amenable number.

8072429 is a deficient number, since it is larger than the sum of its proper divisors (1).

8072429 is an equidigital number, since it uses as much as digits as its factorization.

8072429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 8072429 is about 2841.2020343510. The cubic root of 8072429 is about 200.6017625930.

The spelling of 8072429 in words is "eight million, seventy-two thousand, four hundred twenty-nine".