72725452727 has 2 divisors, whose sum is σ = 72725452728. Its totient is φ = 72725452726.

The previous prime is 72725452717. The next prime is 72725452747.

72725452727 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 72725452727 - 2³⁶ = 4005975991 is a prime.

It is a super-2 number, since 2×72725452727² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72725452717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36362726363 + 36362726364.

It is an arithmetic number, because the mean of its divisors is an integer number (36362726364).

Almost surely, 2^72725452727 is an apocalyptic number.

72725452727 is a deficient number, since it is larger than the sum of its proper divisors (1).

72725452727 is an equidigital number, since it uses as much as digits as its factorization.

72725452727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3841600, while the sum is 50.

The spelling of 72725452727 in words is "seventy-two billion, seven hundred twenty-five million, four hundred fifty-two thousand, seven hundred twenty-seven".