72498655689427 has 16 divisors (see below), whose sum is σ = 82105769652480. Its totient is φ = 63410324292000.

The previous prime is 72498655689407. The next prime is 72498655689569.

72498655689427 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 72498655689427 - 2¹¹ = 72498655687379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72498655689407) 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, 401444199 + ... + 401624752.

It is an arithmetic number, because the mean of its divisors is an integer number (5131610603280).

Almost surely, 2^{72498655689427} is an apocalyptic number.

72498655689427 is a deficient number, since it is larger than the sum of its proper divisors (9607113963053).

72498655689427 is a wasteful number, since it uses less digits than its factorization.

72498655689427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803069274.

The product of its digits is 14631321600, while the sum is 82.

The spelling of 72498655689427 in words is "seventy-two trillion, four hundred ninety-eight billion, six hundred fifty-five million, six hundred eighty-nine thousand, four hundred twenty-seven".