76626643 has 2 divisors, whose sum is σ = 76626644. Its totient is φ = 76626642.

The previous prime is 76626619. The next prime is 76626653. The reversal of 76626643 is 34662667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76626643 - 2⁹ = 76626131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76626596 and 76626605.

It is not a weakly prime, because it can be changed into another prime (76626653) 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, 38313321 + 38313322.

It is an arithmetic number, because the mean of its divisors is an integer number (38313322).

Almost surely, 2^76626643 is an apocalyptic number.

76626643 is a deficient number, since it is larger than the sum of its proper divisors (1).

76626643 is an equidigital number, since it uses as much as digits as its factorization.

76626643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 40.

The square root of 76626643 is about 8753.6645469198. The cubic root of 76626643 is about 424.7433615524.

It can be divided in two parts, 7662664 and 3, that added together give a palindrome (7662667).

The spelling of 76626643 in words is "seventy-six million, six hundred twenty-six thousand, six hundred forty-three".