74370780101 has 2 divisors, whose sum is σ = 74370780102. Its totient is φ = 74370780100.

The previous prime is 74370780097. The next prime is 74370780119. The reversal of 74370780101 is 10108707347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72495024001 + 1875756100 = 269249^2 + 43310^2 .

It is a cyclic number.

It is not a de Polignac number, because 74370780101 - 2² = 74370780097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74370780181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37185390050 + 37185390051.

It is an arithmetic number, because the mean of its divisors is an integer number (37185390051).

Almost surely, 2^74370780101 is an apocalyptic number.

It is an amenable number.

74370780101 is a deficient number, since it is larger than the sum of its proper divisors (1).

74370780101 is an equidigital number, since it uses as much as digits as its factorization.

74370780101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 74370780101 in words is "seventy-four billion, three hundred seventy million, seven hundred eighty thousand, one hundred one".