64234673 has 2 divisors, whose sum is σ = 64234674. Its totient is φ = 64234672.

The previous prime is 64234601. The next prime is 64234693. The reversal of 64234673 is 37643246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58721569 + 5513104 = 7663^2 + 2348^2 .

64234673 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 64234673 - 2¹² = 64230577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_3798125 and since 64234673 and 3798125 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (64234693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32117336 + 32117337.

It is an arithmetic number, because the mean of its divisors is an integer number (32117337).

Almost surely, 2^64234673 is an apocalyptic number.

It is an amenable number.

64234673 is a deficient number, since it is larger than the sum of its proper divisors (1).

64234673 is an equidigital number, since it uses as much as digits as its factorization.

64234673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 35.

The square root of 64234673 is about 8014.6536419236. The cubic root of 64234673 is about 400.4883057345.

The spelling of 64234673 in words is "sixty-four million, two hundred thirty-four thousand, six hundred seventy-three".