72654506479 has 2 divisors, whose sum is σ = 72654506480. Its totient is φ = 72654506478.

The previous prime is 72654506387. The next prime is 72654506497. The reversal of 72654506479 is 97460545627.

Together with next prime (72654506497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72654506479 - 2²¹ = 72652409327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72654506579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36327253239 + 36327253240.

It is an arithmetic number, because the mean of its divisors is an integer number (36327253240).

Almost surely, 2^72654506479 is an apocalyptic number.

72654506479 is a deficient number, since it is larger than the sum of its proper divisors (1).

72654506479 is an equidigital number, since it uses as much as digits as its factorization.

72654506479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 72654506479 in words is "seventy-two billion, six hundred fifty-four million, five hundred six thousand, four hundred seventy-nine".