378382673 has 2 divisors, whose sum is σ = 378382674. Its totient is φ = 378382672.

The previous prime is 378382661. The next prime is 378382721. The reversal of 378382673 is 376283873.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201412864 + 176969809 = 14192^2 + 13303^2 .

It is a cyclic number.

It is not a de Polignac number, because 378382673 - 2¹² = 378378577 is a prime.

It is not a weakly prime, because it can be changed into another prime (378381673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189191336 + 189191337.

It is an arithmetic number, because the mean of its divisors is an integer number (189191337).

Almost surely, 2^378382673 is an apocalyptic number.

It is an amenable number.

378382673 is a deficient number, since it is larger than the sum of its proper divisors (1).

378382673 is an equidigital number, since it uses as much as digits as its factorization.

378382673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 47.

The square root of 378382673 is about 19452.0608933861. The cubic root of 378382673 is about 723.2865907110.

The spelling of 378382673 in words is "three hundred seventy-eight million, three hundred eighty-two thousand, six hundred seventy-three".