71732676461 has 2 divisors, whose sum is σ = 71732676462. Its totient is φ = 71732676460.

The previous prime is 71732676413. The next prime is 71732676493. The reversal of 71732676461 is 16467623717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68176343236 + 3556333225 = 261106^2 + 59635^2 .

It is an emirp because it is prime and its reverse (16467623717) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71732676461 - 2³⁰ = 70658934637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71732670461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35866338230 + 35866338231.

It is an arithmetic number, because the mean of its divisors is an integer number (35866338231).

Almost surely, 2^71732676461 is an apocalyptic number.

It is an amenable number.

71732676461 is a deficient number, since it is larger than the sum of its proper divisors (1).

71732676461 is an equidigital number, since it uses as much as digits as its factorization.

71732676461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 50.

The spelling of 71732676461 in words is "seventy-one billion, seven hundred thirty-two million, six hundred seventy-six thousand, four hundred sixty-one".