74320768144541 has 2 divisors, whose sum is σ = 74320768144542. Its totient is φ = 74320768144540.

The previous prime is 74320768144481. The next prime is 74320768144573. The reversal of 74320768144541 is 14544186702347.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68097913605316 + 6222854539225 = 8252146^2 + 2494565^2 .

It is a cyclic number.

It is not a de Polignac number, because 74320768144541 - 2⁶ = 74320768144477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74320768144141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37160384072270 + 37160384072271.

It is an arithmetic number, because the mean of its divisors is an integer number (37160384072271).

Almost surely, 2^{74320768144541} is an apocalyptic number.

It is an amenable number.

74320768144541 is a deficient number, since it is larger than the sum of its proper divisors (1).

74320768144541 is an equidigital number, since it uses as much as digits as its factorization.

74320768144541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 74320768144541 in words is "seventy-four trillion, three hundred twenty billion, seven hundred sixty-eight million, one hundred forty-four thousand, five hundred forty-one".