76381603 has 2 divisors, whose sum is σ = 76381604. Its totient is φ = 76381602.

The previous prime is 76381601. The next prime is 76381649. The reversal of 76381603 is 30618367.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76381603 - 2¹ = 76381601 is a prime.

Together with 76381601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (76381601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38190801 + 38190802.

It is an arithmetic number, because the mean of its divisors is an integer number (38190802).

Almost surely, 2^76381603 is an apocalyptic number.

76381603 is a deficient number, since it is larger than the sum of its proper divisors (1).

76381603 is an equidigital number, since it uses as much as digits as its factorization.

76381603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 76381603 is about 8739.6569154630. The cubic root of 76381603 is about 424.2901238374.

The spelling of 76381603 in words is "seventy-six million, three hundred eighty-one thousand, six hundred three".