72644122144627 has 16 divisors (see below), whose sum is σ = 79858487907072. Its totient is φ = 65532829532320.

The previous prime is 72644122144603. The next prime is 72644122144679.

72644122144627 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 72644122144627 - 2⁷ = 72644122144499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72644122144127) 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, 32605648 + ... + 34762285.

It is an arithmetic number, because the mean of its divisors is an integer number (4991155494192).

Almost surely, 2^{72644122144627} is an apocalyptic number.

72644122144627 is a deficient number, since it is larger than the sum of its proper divisors (7214365762445).

72644122144627 is a wasteful number, since it uses less digits than its factorization.

72644122144627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67368698.

The product of its digits is 7225344, while the sum is 52.

The spelling of 72644122144627 in words is "seventy-two trillion, six hundred forty-four billion, one hundred twenty-two million, one hundred forty-four thousand, six hundred twenty-seven".