72722622727 has 2 divisors, whose sum is σ = 72722622728. Its totient is φ = 72722622726.

The previous prime is 72722622629. The next prime is 72722622751.

72722622727 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 72722622727 - 2³¹ = 70575139079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72722626727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36361311363 + 36361311364.

It is an arithmetic number, because the mean of its divisors is an integer number (36361311364).

Almost surely, 2^72722622727 is an apocalyptic number.

72722622727 is a deficient number, since it is larger than the sum of its proper divisors (1).

72722622727 is an equidigital number, since it uses as much as digits as its factorization.

72722622727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 921984, while the sum is 46.

The spelling of 72722622727 in words is "seventy-two billion, seven hundred twenty-two million, six hundred twenty-two thousand, seven hundred twenty-seven".