72525583 has 8 divisors (see below), whose sum is σ = 78217776. Its totient is φ = 66849600.

The previous prime is 72525569. The next prime is 72525589. The reversal of 72525583 is 38552527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72525583 - 2²¹ = 70428431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72525589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6228 + ... + 13558.

It is an arithmetic number, because the mean of its divisors is an integer number (9777222).

Almost surely, 2^72525583 is an apocalyptic number.

72525583 is a deficient number, since it is larger than the sum of its proper divisors (5692193).

72525583 is a wasteful number, since it uses less digits than its factorization.

72525583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8105.

The product of its digits is 84000, while the sum is 37.

The square root of 72525583 is about 8516.1953359467. The cubic root of 72525583 is about 417.0265861474.

The spelling of 72525583 in words is "seventy-two million, five hundred twenty-five thousand, five hundred eighty-three".