71392500039 has 16 divisors (see below), whose sum is σ = 108793660928. Its totient is φ = 40793805792.

The previous prime is 71392500037. The next prime is 71392500041. The reversal of 71392500039 is 93000529317.

It is an interprime number because it is at equal distance from previous prime (71392500037) and next prime (71392500041).

It is not a de Polignac number, because 71392500039 - 2¹ = 71392500037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71392500031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467589 + ... + 601185.

It is an arithmetic number, because the mean of its divisors is an integer number (6799603808).

Almost surely, 2^71392500039 is an apocalyptic number.

71392500039 is a deficient number, since it is larger than the sum of its proper divisors (37401160889).

71392500039 is a wasteful number, since it uses less digits than its factorization.

71392500039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159054.

The product of its (nonzero) digits is 51030, while the sum is 39.

The spelling of 71392500039 in words is "seventy-one billion, three hundred ninety-two million, five hundred thousand, thirty-nine".