74519535677 has 2 divisors, whose sum is σ = 74519535678. Its totient is φ = 74519535676.

The previous prime is 74519535509. The next prime is 74519535679. The reversal of 74519535677 is 77653591547.

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., 54148824601 + 20370711076 = 232699^2 + 142726^2 .

It is a cyclic number.

It is not a de Polignac number, because 74519535677 - 2¹⁶ = 74519470141 is a prime.

It is a super-2 number, since 2×74519535677² (a number of 23 digits) contains 22 as substring.

Together with 74519535679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74519535679) 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, 37259767838 + 37259767839.

It is an arithmetic number, because the mean of its divisors is an integer number (37259767839).

Almost surely, 2^74519535677 is an apocalyptic number.

It is an amenable number.

74519535677 is a deficient number, since it is larger than the sum of its proper divisors (1).

74519535677 is an equidigital number, since it uses as much as digits as its factorization.

74519535677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27783000, while the sum is 59.

The spelling of 74519535677 in words is "seventy-four billion, five hundred nineteen million, five hundred thirty-five thousand, six hundred seventy-seven".