76642063 has 2 divisors, whose sum is σ = 76642064. Its totient is φ = 76642062.

The previous prime is 76642051. The next prime is 76642091. The reversal of 76642063 is 36024667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76642063 - 2⁵ = 76642031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76642663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38321031 + 38321032.

It is an arithmetic number, because the mean of its divisors is an integer number (38321032).

Almost surely, 2^76642063 is an apocalyptic number.

76642063 is a deficient number, since it is larger than the sum of its proper divisors (1).

76642063 is an equidigital number, since it uses as much as digits as its factorization.

76642063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 76642063 is about 8754.5452765978. The cubic root of 76642063 is about 424.7718507875.

The spelling of 76642063 in words is "seventy-six million, six hundred forty-two thousand, sixty-three".