378601073 has 2 divisors, whose sum is σ = 378601074. Its totient is φ = 378601072.

The previous prime is 378601043. The next prime is 378601081. The reversal of 378601073 is 370106873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374345104 + 4255969 = 19348^2 + 2063^2 .

It is a cyclic number.

It is not a de Polignac number, because 378601073 - 2⁶ = 378601009 is a prime.

It is not a weakly prime, because it can be changed into another prime (378601043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189300536 + 189300537.

It is an arithmetic number, because the mean of its divisors is an integer number (189300537).

Almost surely, 2^378601073 is an apocalyptic number.

It is an amenable number.

378601073 is a deficient number, since it is larger than the sum of its proper divisors (1).

378601073 is an equidigital number, since it uses as much as digits as its factorization.

378601073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 378601073 is about 19457.6738846143. The cubic root of 378601073 is about 723.4257227063.

The spelling of 378601073 in words is "three hundred seventy-eight million, six hundred one thousand, seventy-three".