74371670054117 has 2 divisors, whose sum is σ = 74371670054118. Its totient is φ = 74371670054116.

The previous prime is 74371670054053. The next prime is 74371670054177. The reversal of 74371670054117 is 71145007617347.

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., 56852414322916 + 17519255731201 = 7540054^2 + 4185601^2 .

It is an emirp because it is prime and its reverse (71145007617347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74371670054117 - 2⁶ = 74371670054053 is a prime.

It is a super-2 number, since 2×74371670054117² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74371670054177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37185835027058 + 37185835027059.

It is an arithmetic number, because the mean of its divisors is an integer number (37185835027059).

Almost surely, 2^{74371670054117} is an apocalyptic number.

It is an amenable number.

74371670054117 is a deficient number, since it is larger than the sum of its proper divisors (1).

74371670054117 is an equidigital number, since it uses as much as digits as its factorization.

74371670054117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3457440, while the sum is 53.

The spelling of 74371670054117 in words is "seventy-four trillion, three hundred seventy-one billion, six hundred seventy million, fifty-four thousand, one hundred seventeen".