76620443 has 2 divisors, whose sum is σ = 76620444. Its totient is φ = 76620442.

The previous prime is 76620403. The next prime is 76620449. The reversal of 76620443 is 34402667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76620443 - 2²² = 72426139 is a prime.

It is not a weakly prime, because it can be changed into another prime (76620449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38310221 + 38310222.

It is an arithmetic number, because the mean of its divisors is an integer number (38310222).

Almost surely, 2^76620443 is an apocalyptic number.

76620443 is a deficient number, since it is larger than the sum of its proper divisors (1).

76620443 is an equidigital number, since it uses as much as digits as its factorization.

76620443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 76620443 is about 8753.3104023564. The cubic root of 76620443 is about 424.7319056594.

The spelling of 76620443 in words is "seventy-six million, six hundred twenty thousand, four hundred forty-three".