376732981 has 2 divisors, whose sum is σ = 376732982. Its totient is φ = 376732980.

The previous prime is 376732963. The next prime is 376732991. The reversal of 376732981 is 189237673.

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., 358534225 + 18198756 = 18935^2 + 4266^2 .

It is a cyclic number.

It is not a de Polignac number, because 376732981 - 2⁹ = 376732469 is a prime.

It is a super-2 number, since 2×376732981² = 283855477946292722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (376732921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188366490 + 188366491.

It is an arithmetic number, because the mean of its divisors is an integer number (188366491).

Almost surely, 2^376732981 is an apocalyptic number.

It is an amenable number.

376732981 is a deficient number, since it is larger than the sum of its proper divisors (1).

376732981 is an equidigital number, since it uses as much as digits as its factorization.

376732981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 376732981 is about 19409.6105318989. The cubic root of 376732981 is about 722.2339188542.

The spelling of 376732981 in words is "three hundred seventy-six million, seven hundred thirty-two thousand, nine hundred eighty-one".