74325321481 has 2 divisors, whose sum is σ = 74325321482. Its totient is φ = 74325321480.

The previous prime is 74325321439. The next prime is 74325321517. The reversal of 74325321481 is 18412352347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71673998400 + 2651323081 = 267720^2 + 51491^2 .

It is an emirp because it is prime and its reverse (18412352347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74325321481 - 2¹¹ = 74325319433 is a prime.

It is a super-2 number, since 2×74325321481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74325321401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37162660740 + 37162660741.

It is an arithmetic number, because the mean of its divisors is an integer number (37162660741).

Almost surely, 2^74325321481 is an apocalyptic number.

It is an amenable number.

74325321481 is a deficient number, since it is larger than the sum of its proper divisors (1).

74325321481 is an equidigital number, since it uses as much as digits as its factorization.

74325321481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The spelling of 74325321481 in words is "seventy-four billion, three hundred twenty-five million, three hundred twenty-one thousand, four hundred eighty-one".