71472504437 has 2 divisors, whose sum is σ = 71472504438. Its totient is φ = 71472504436.

The previous prime is 71472504409. The next prime is 71472504469. The reversal of 71472504437 is 73440527417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71147026756 + 325477681 = 266734^2 + 18041^2 .

It is a cyclic number.

It is not a de Polignac number, because 71472504437 - 2⁶ = 71472504373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71472504487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35736252218 + 35736252219.

It is an arithmetic number, because the mean of its divisors is an integer number (35736252219).

Almost surely, 2^71472504437 is an apocalyptic number.

It is an amenable number.

71472504437 is a deficient number, since it is larger than the sum of its proper divisors (1).

71472504437 is an equidigital number, since it uses as much as digits as its factorization.

71472504437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 658560, while the sum is 44.

The spelling of 71472504437 in words is "seventy-one billion, four hundred seventy-two million, five hundred four thousand, four hundred thirty-seven".