74671340715077 has 2 divisors, whose sum is σ = 74671340715078. Its totient is φ = 74671340715076.

The previous prime is 74671340714987. The next prime is 74671340715091. The reversal of 74671340715077 is 77051704317647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59435480532481 + 15235860182596 = 7709441^2 + 3903314^2 .

It is an emirp because it is prime and its reverse (77051704317647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74671340715077 - 2¹⁶ = 74671340649541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74671340712077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37335670357538 + 37335670357539.

It is an arithmetic number, because the mean of its divisors is an integer number (37335670357539).

Almost surely, 2^{74671340715077} is an apocalyptic number.

It is an amenable number.

74671340715077 is a deficient number, since it is larger than the sum of its proper divisors (1).

74671340715077 is an equidigital number, since it uses as much as digits as its factorization.

74671340715077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24202080, while the sum is 59.

The spelling of 74671340715077 in words is "seventy-four trillion, six hundred seventy-one billion, three hundred forty million, seven hundred fifteen thousand, seventy-seven".