72772627727 has 4 divisors (see below), whose sum is σ = 72855607656. Its totient is φ = 72689647800.

The previous prime is 72772627721. The next prime is 72772627769.

72772627727 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72772627727 - 2⁶ = 72772627663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72772627721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41488649 + ... + 41490402.

It is an arithmetic number, because the mean of its divisors is an integer number (18213901914).

Almost surely, 2^72772627727 is an apocalyptic number.

72772627727 is a deficient number, since it is larger than the sum of its proper divisors (82979929).

72772627727 is an equidigital number, since it uses as much as digits as its factorization.

72772627727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82979928.

The product of its digits is 11294304, while the sum is 56.

The spelling of 72772627727 in words is "seventy-two billion, seven hundred seventy-two million, six hundred twenty-seven thousand, seven hundred twenty-seven".