7274129 has 2 divisors, whose sum is σ = 7274130. Its totient is φ = 7274128.

The previous prime is 7274117. The next prime is 7274153. The reversal of 7274129 is 9214727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4558225 + 2715904 = 2135^2 + 1648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7274129 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7274095 and 7274104.

It is not a weakly prime, because it can be changed into another prime (7274159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3637064 + 3637065.

It is an arithmetic number, because the mean of its divisors is an integer number (3637065).

Almost surely, 2^7274129 is an apocalyptic number.

It is an amenable number.

7274129 is a deficient number, since it is larger than the sum of its proper divisors (1).

7274129 is an equidigital number, since it uses as much as digits as its factorization.

7274129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 32.

The square root of 7274129 is about 2697.0593245237. The cubic root of 7274129 is about 193.7583077950.

The spelling of 7274129 in words is "seven million, two hundred seventy-four thousand, one hundred twenty-nine".