72852543 has 12 divisors (see below), whose sum is σ = 105403480. Its totient is φ = 48488976.

The previous prime is 72852509. The next prime is 72852583. The reversal of 72852543 is 34525827.

It is not a de Polignac number, because 72852543 - 2¹³ = 72844351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72852498 and 72852507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72852583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508 + ... + 12081.

Almost surely, 2^72852543 is an apocalyptic number.

72852543 is a deficient number, since it is larger than the sum of its proper divisors (32550937).

72852543 is a wasteful number, since it uses less digits than its factorization.

72852543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13238 (or 13235 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 72852543 is about 8535.3701149979. The cubic root of 72852543 is about 417.6523268369.

The spelling of 72852543 in words is "seventy-two million, eight hundred fifty-two thousand, five hundred forty-three".