73880523529 has 2 divisors, whose sum is σ = 73880523530. Its totient is φ = 73880523528.

The previous prime is 73880523491. The next prime is 73880523557. The reversal of 73880523529 is 92532508837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47934723600 + 25945799929 = 218940^2 + 161077^2 .

It is an emirp because it is prime and its reverse (92532508837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73880523529 - 2³¹ = 71733039881 is a prime.

It is a super-2 number, since 2×73880523529² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73880523589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36940261764 + 36940261765.

It is an arithmetic number, because the mean of its divisors is an integer number (36940261765).

Almost surely, 2^73880523529 is an apocalyptic number.

It is an amenable number.

73880523529 is a deficient number, since it is larger than the sum of its proper divisors (1).

73880523529 is an equidigital number, since it uses as much as digits as its factorization.

73880523529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 73880523529 in words is "seventy-three billion, eight hundred eighty million, five hundred twenty-three thousand, five hundred twenty-nine".