71374500973 has 2 divisors, whose sum is σ = 71374500974. Its totient is φ = 71374500972.

The previous prime is 71374500971. The next prime is 71374501013. The reversal of 71374500973 is 37900547317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63739586089 + 7634914884 = 252467^2 + 87378^2 .

It is a cyclic number.

It is not a de Polignac number, because 71374500973 - 2¹ = 71374500971 is a prime.

Together with 71374500971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71374500971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35687250486 + 35687250487.

It is an arithmetic number, because the mean of its divisors is an integer number (35687250487).

Almost surely, 2^71374500973 is an apocalyptic number.

It is an amenable number.

71374500973 is a deficient number, since it is larger than the sum of its proper divisors (1).

71374500973 is an equidigital number, since it uses as much as digits as its factorization.

71374500973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 46.

The spelling of 71374500973 in words is "seventy-one billion, three hundred seventy-four million, five hundred thousand, nine hundred seventy-three".