74553472473761 has 2 divisors, whose sum is σ = 74553472473762. Its totient is φ = 74553472473760.

The previous prime is 74553472473737. The next prime is 74553472473859. The reversal of 74553472473761 is 16737427435547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65135294574736 + 9418177899025 = 8070644^2 + 3068905^2 .

It is a cyclic number.

It is not a de Polignac number, because 74553472473761 - 2⁴⁶ = 4184728296097 is a prime.

It is not a weakly prime, because it can be changed into another prime (74553472463761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37276736236880 + 37276736236881.

It is an arithmetic number, because the mean of its divisors is an integer number (37276736236881).

Almost surely, 2^{74553472473761} is an apocalyptic number.

It is an amenable number.

74553472473761 is a deficient number, since it is larger than the sum of its proper divisors (1).

74553472473761 is an equidigital number, since it uses as much as digits as its factorization.

74553472473761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414892800, while the sum is 65.

The spelling of 74553472473761 in words is "seventy-four trillion, five hundred fifty-three billion, four hundred seventy-two million, four hundred seventy-three thousand, seven hundred sixty-one".