434880673 has 2 divisors, whose sum is σ = 434880674. Its totient is φ = 434880672.

The previous prime is 434880623. The next prime is 434880697. The reversal of 434880673 is 376088434.

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., 431683729 + 3196944 = 20777^2 + 1788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434880673 is a prime.

It is not a weakly prime, because it can be changed into another prime (434880623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217440336 + 217440337.

It is an arithmetic number, because the mean of its divisors is an integer number (217440337).

Almost surely, 2^434880673 is an apocalyptic number.

It is an amenable number.

434880673 is a deficient number, since it is larger than the sum of its proper divisors (1).

434880673 is an equidigital number, since it uses as much as digits as its factorization.

434880673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 434880673 is about 20853.7927725390. The cubic root of 434880673 is about 757.6291961593.

The spelling of 434880673 in words is "four hundred thirty-four million, eight hundred eighty thousand, six hundred seventy-three".