76645103 has 2 divisors, whose sum is σ = 76645104. Its totient is φ = 76645102.

The previous prime is 76645091. The next prime is 76645111. The reversal of 76645103 is 30154667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76645103 - 2⁸ = 76644847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76645103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76645123) 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, 38322551 + 38322552.

It is an arithmetic number, because the mean of its divisors is an integer number (38322552).

Almost surely, 2^76645103 is an apocalyptic number.

76645103 is a deficient number, since it is larger than the sum of its proper divisors (1).

76645103 is an equidigital number, since it uses as much as digits as its factorization.

76645103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 76645103 is about 8754.7188989710. The cubic root of 76645103 is about 424.7774668914. Note that the first 3 decimals are identical.

The spelling of 76645103 in words is "seventy-six million, six hundred forty-five thousand, one hundred three".