72183325 has 6 divisors (see below), whose sum is σ = 89507354. Its totient is φ = 57746640.

The previous prime is 72183323. The next prime is 72183347. The reversal of 72183325 is 52338127.

It can be written as a sum of positive squares in 3 ways, for example, as 10686361 + 61496964 = 3269^2 + 7842^2 .

It is not a de Polignac number, because 72183325 - 2¹ = 72183323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72183323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1443642 + ... + 1443691.

Almost surely, 2^72183325 is an apocalyptic number.

It is an amenable number.

72183325 is a deficient number, since it is larger than the sum of its proper divisors (17324029).

72183325 is a wasteful number, since it uses less digits than its factorization.

72183325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887343 (or 2887338 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 72183325 is about 8496.0770359031. The cubic root of 72183325 is about 416.3695499601.

The spelling of 72183325 in words is "seventy-two million, one hundred eighty-three thousand, three hundred twenty-five".