376703381 has 2 divisors, whose sum is σ = 376703382. Its totient is φ = 376703380.

The previous prime is 376703333. The next prime is 376703399. The reversal of 376703381 is 183307673.

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., 360430225 + 16273156 = 18985^2 + 4034^2 .

It is an emirp because it is prime and its reverse (183307673) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 376703381 - 2⁶ = 376703317 is a prime.

It is a super-2 number, since 2×376703381² = 283810874513662322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (376703311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188351690 + 188351691.

It is an arithmetic number, because the mean of its divisors is an integer number (188351691).

Almost surely, 2^376703381 is an apocalyptic number.

It is an amenable number.

376703381 is a deficient number, since it is larger than the sum of its proper divisors (1).

376703381 is an equidigital number, since it uses as much as digits as its factorization.

376703381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 376703381 is about 19408.8480080607. The cubic root of 376703381 is about 722.2150029951.

The spelling of 376703381 in words is "three hundred seventy-six million, seven hundred three thousand, three hundred eighty-one".