72575582163 has 16 divisors (see below), whose sum is σ = 110595125760. Its totient is φ = 41470350336.

The previous prime is 72575582137. The next prime is 72575582237. The reversal of 72575582163 is 36128557527.

It is a happy number.

It is not a de Polignac number, because 72575582163 - 2⁸ = 72575581907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72575586163) 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, 1200403 + ... + 1259411.

It is an arithmetic number, because the mean of its divisors is an integer number (6912195360).

Almost surely, 2^72575582163 is an apocalyptic number.

72575582163 is a deficient number, since it is larger than the sum of its proper divisors (38019543597).

72575582163 is a wasteful number, since it uses less digits than its factorization.

72575582163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117586.

The product of its digits is 3528000, while the sum is 51.

The spelling of 72575582163 in words is "seventy-two billion, five hundred seventy-five million, five hundred eighty-two thousand, one hundred sixty-three".