74030852681 has 2 divisors, whose sum is σ = 74030852682. Its totient is φ = 74030852680.

The previous prime is 74030852671. The next prime is 74030852683. The reversal of 74030852681 is 18625803047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72517642681 + 1513210000 = 269291^2 + 38900^2 .

It is an emirp because it is prime and its reverse (18625803047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74030852681 - 2³⁰ = 72957110857 is a prime.

It is a super-2 number, since 2×74030852681² (a number of 23 digits) contains 22 as substring.

Together with 74030852683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74030852683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37015426340 + 37015426341.

It is an arithmetic number, because the mean of its divisors is an integer number (37015426341).

Almost surely, 2^74030852681 is an apocalyptic number.

It is an amenable number.

74030852681 is a deficient number, since it is larger than the sum of its proper divisors (1).

74030852681 is an equidigital number, since it uses as much as digits as its factorization.

74030852681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 74030852681 in words is "seventy-four billion, thirty million, eight hundred fifty-two thousand, six hundred eighty-one".