72769896727 has 16 divisors (see below), whose sum is σ = 80574451200. Its totient is φ = 65170116000.

The previous prime is 72769896709. The next prime is 72769896757.

72769896727 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 72769896727 - 2¹¹ = 72769894679 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72769896757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56518 + ... + 385660.

It is an arithmetic number, because the mean of its divisors is an integer number (5035903200).

Almost surely, 2^72769896727 is an apocalyptic number.

72769896727 is a deficient number, since it is larger than the sum of its proper divisors (7804554473).

72769896727 is a wasteful number, since it uses less digits than its factorization.

72769896727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329454.

The product of its digits is 224042112, while the sum is 70.

The spelling of 72769896727 in words is "seventy-two billion, seven hundred sixty-nine million, eight hundred ninety-six thousand, seven hundred twenty-seven".