72182525469 has 16 divisors (see below), whose sum is σ = 98490061824. Its totient is φ = 46998529200.

The previous prime is 72182525461. The next prime is 72182525477. The reversal of 72182525469 is 96452528127.

It is an interprime number because it is at equal distance from previous prime (72182525461) and next prime (72182525477).

It is not a de Polignac number, because 72182525469 - 2³ = 72182525461 is a prime.

It is a super-2 number, since 2×72182525469² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72182525461) 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, 2510364 + ... + 2538954.

It is an arithmetic number, because the mean of its divisors is an integer number (6155628864).

Almost surely, 2^72182525469 is an apocalyptic number.

It is an amenable number.

72182525469 is a deficient number, since it is larger than the sum of its proper divisors (26307536355).

72182525469 is a wasteful number, since it uses less digits than its factorization.

72182525469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48208.

The product of its digits is 2419200, while the sum is 51.

The spelling of 72182525469 in words is "seventy-two billion, one hundred eighty-two million, five hundred twenty-five thousand, four hundred sixty-nine".