76620671 has 2 divisors, whose sum is σ = 76620672. Its totient is φ = 76620670.

The previous prime is 76620647. The next prime is 76620689. The reversal of 76620671 is 17602667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76620671 - 2¹⁴ = 76604287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76620601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38310335 + 38310336.

It is an arithmetic number, because the mean of its divisors is an integer number (38310336).

Almost surely, 2^76620671 is an apocalyptic number.

76620671 is a deficient number, since it is larger than the sum of its proper divisors (1).

76620671 is an equidigital number, since it uses as much as digits as its factorization.

76620671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 76620671 is about 8753.3234259908. The cubic root of 76620671 is about 424.7323269516.

The spelling of 76620671 in words is "seventy-six million, six hundred twenty thousand, six hundred seventy-one".