74168746433 has 2 divisors, whose sum is σ = 74168746434. Its totient is φ = 74168746432.

The previous prime is 74168746411. The next prime is 74168746493. The reversal of 74168746433 is 33464786147.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62648588209 + 11520158224 = 250297^2 + 107332^2 .

It is a cyclic number.

It is not a de Polignac number, because 74168746433 - 2⁸ = 74168746177 is a prime.

It is not a weakly prime, because it can be changed into another prime (74168746493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37084373216 + 37084373217.

It is an arithmetic number, because the mean of its divisors is an integer number (37084373217).

Almost surely, 2^74168746433 is an apocalyptic number.

It is an amenable number.

74168746433 is a deficient number, since it is larger than the sum of its proper divisors (1).

74168746433 is an equidigital number, since it uses as much as digits as its factorization.

74168746433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 53.

The spelling of 74168746433 in words is "seventy-four billion, one hundred sixty-eight million, seven hundred forty-six thousand, four hundred thirty-three".