71862348737 has 2 divisors, whose sum is σ = 71862348738. Its totient is φ = 71862348736.

The previous prime is 71862348713. The next prime is 71862348743. The reversal of 71862348737 is 73784326817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38065570816 + 33796777921 = 195104^2 + 183839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71862348737 is a prime.

It is a super-3 number, since 3×71862348737³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (71862348787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35931174368 + 35931174369.

It is an arithmetic number, because the mean of its divisors is an integer number (35931174369).

Almost surely, 2^71862348737 is an apocalyptic number.

It is an amenable number.

71862348737 is a deficient number, since it is larger than the sum of its proper divisors (1).

71862348737 is an equidigital number, since it uses as much as digits as its factorization.

71862348737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9483264, while the sum is 56.

The spelling of 71862348737 in words is "seventy-one billion, eight hundred sixty-two million, three hundred forty-eight thousand, seven hundred thirty-seven".