427336073 has 2 divisors, whose sum is σ = 427336074. Its totient is φ = 427336072.

The previous prime is 427336061. The next prime is 427336099. The reversal of 427336073 is 370633724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427331584 + 4489 = 20672^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 427336073 - 2¹⁰ = 427335049 is a prime.

It is a super-2 number, since 2×427336073² = 365232238574122658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427336673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213668036 + 213668037.

It is an arithmetic number, because the mean of its divisors is an integer number (213668037).

Almost surely, 2^427336073 is an apocalyptic number.

It is an amenable number.

427336073 is a deficient number, since it is larger than the sum of its proper divisors (1).

427336073 is an equidigital number, since it uses as much as digits as its factorization.

427336073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 35.

The square root of 427336073 is about 20672.1085765337. The cubic root of 427336073 is about 753.2223270578. Note that the first 3 decimals are identical.

Adding to 427336073 its reverse (370633724), we get a palindrome (797969797).

The spelling of 427336073 in words is "four hundred twenty-seven million, three hundred thirty-six thousand, seventy-three".