427667033 has 2 divisors, whose sum is σ = 427667034. Its totient is φ = 427667032.

The previous prime is 427667003. The next prime is 427667047. The reversal of 427667033 is 330766724.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275958544 + 151708489 = 16612^2 + 12317^2 .

It is a cyclic number.

It is not a de Polignac number, because 427667033 - 2⁶ = 427666969 is a prime.

It is a super-2 number, since 2×427667033² = 365798182230046178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427667003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213833516 + 213833517.

It is an arithmetic number, because the mean of its divisors is an integer number (213833517).

Almost surely, 2^427667033 is an apocalyptic number.

It is an amenable number.

427667033 is a deficient number, since it is larger than the sum of its proper divisors (1).

427667033 is an equidigital number, since it uses as much as digits as its factorization.

427667033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 427667033 is about 20680.1120161376. The cubic root of 427667033 is about 753.4167268520.

The spelling of 427667033 in words is "four hundred twenty-seven million, six hundred sixty-seven thousand, thirty-three".