67256473 has 2 divisors, whose sum is σ = 67256474. Its totient is φ = 67256472.

The previous prime is 67256467. The next prime is 67256479. The reversal of 67256473 is 37465276.

It is a balanced prime because it is at equal distance from previous prime (67256467) and next prime (67256479).

It can be written as a sum of positive squares in only one way, i.e., 53772889 + 13483584 = 7333^2 + 3672^2 .

It is a cyclic number.

It is not a de Polignac number, because 67256473 - 2²¹ = 65159321 is a prime.

It is not a weakly prime, because it can be changed into another prime (67256479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33628236 + 33628237.

It is an arithmetic number, because the mean of its divisors is an integer number (33628237).

Almost surely, 2^67256473 is an apocalyptic number.

It is an amenable number.

67256473 is a deficient number, since it is larger than the sum of its proper divisors (1).

67256473 is an equidigital number, since it uses as much as digits as its factorization.

67256473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 40.

The square root of 67256473 is about 8201.0043897074. The cubic root of 67256473 is about 406.6723976468.

The spelling of 67256473 in words is "sixty-seven million, two hundred fifty-six thousand, four hundred seventy-three".