72182578575 has 12 divisors (see below), whose sum is σ = 119341863368. Its totient is φ = 38497375200.

The previous prime is 72182578541. The next prime is 72182578583. The reversal of 72182578575 is 57587528127.

It is not a de Polignac number, because 72182578575 - 2⁹ = 72182578063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481217116 + ... + 481217265.

Almost surely, 2^72182578575 is an apocalyptic number.

72182578575 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72182578575 is a deficient number, since it is larger than the sum of its proper divisors (47159284793).

72182578575 is a wasteful number, since it uses less digits than its factorization.

72182578575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962434394 (or 962434389 counting only the distinct ones).

The product of its digits is 10976000, while the sum is 57.

The spelling of 72182578575 in words is "seventy-two billion, one hundred eighty-two million, five hundred seventy-eight thousand, five hundred seventy-five".