77241071 has 2 divisors, whose sum is σ = 77241072. Its totient is φ = 77241070.

The previous prime is 77241041. The next prime is 77241077. The reversal of 77241071 is 17014277.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77241071 - 2¹⁰ = 77240047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77241077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38620535 + 38620536.

It is an arithmetic number, because the mean of its divisors is an integer number (38620536).

Almost surely, 2^77241071 is an apocalyptic number.

77241071 is a deficient number, since it is larger than the sum of its proper divisors (1).

77241071 is an equidigital number, since it uses as much as digits as its factorization.

77241071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 77241071 is about 8788.6899478819. The cubic root of 77241071 is about 425.8756038000.

The spelling of 77241071 in words is "seventy-seven million, two hundred forty-one thousand, seventy-one".