74547755441 has 2 divisors, whose sum is σ = 74547755442. Its totient is φ = 74547755440.

The previous prime is 74547755431. The next prime is 74547755497. The reversal of 74547755441 is 14455774547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39051688225 + 35496067216 = 197615^2 + 188404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74547755441 is a prime.

It is a super-2 number, since 2×74547755441² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74547755431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37273877720 + 37273877721.

It is an arithmetic number, because the mean of its divisors is an integer number (37273877721).

Almost surely, 2^74547755441 is an apocalyptic number.

It is an amenable number.

74547755441 is a deficient number, since it is larger than the sum of its proper divisors (1).

74547755441 is an equidigital number, since it uses as much as digits as its factorization.

74547755441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10976000, while the sum is 53.

The spelling of 74547755441 in words is "seventy-four billion, five hundred forty-seven million, seven hundred fifty-five thousand, four hundred forty-one".