378207373 has 2 divisors, whose sum is σ = 378207374. Its totient is φ = 378207372.

The previous prime is 378207371. The next prime is 378207419. The reversal of 378207373 is 373702873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341991049 + 36216324 = 18493^2 + 6018^2 .

It is a cyclic number.

It is not a de Polignac number, because 378207373 - 2¹ = 378207371 is a prime.

It is a super-2 number, since 2×378207373² = 286081633983122258, which contains 22 as substring.

Together with 378207371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378207371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189103686 + 189103687.

It is an arithmetic number, because the mean of its divisors is an integer number (189103687).

Almost surely, 2^378207373 is an apocalyptic number.

It is an amenable number.

378207373 is a deficient number, since it is larger than the sum of its proper divisors (1).

378207373 is an equidigital number, since it uses as much as digits as its factorization.

378207373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 378207373 is about 19447.5544220861. The cubic root of 378207373 is about 723.1748768881.

The spelling of 378207373 in words is "three hundred seventy-eight million, two hundred seven thousand, three hundred seventy-three".