75456229 has 2 divisors, whose sum is σ = 75456230. Its totient is φ = 75456228.

The previous prime is 75456211. The next prime is 75456257. The reversal of 75456229 is 92265457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53319204 + 22137025 = 7302^2 + 4705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75456229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75456191 and 75456200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75456299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37728114 + 37728115.

It is an arithmetic number, because the mean of its divisors is an integer number (37728115).

Almost surely, 2^75456229 is an apocalyptic number.

It is an amenable number.

75456229 is a deficient number, since it is larger than the sum of its proper divisors (1).

75456229 is an equidigital number, since it uses as much as digits as its factorization.

75456229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 75456229 is about 8686.5544953106. The cubic root of 75456229 is about 422.5697122461.

The spelling of 75456229 in words is "seventy-five million, four hundred fifty-six thousand, two hundred twenty-nine".