72545241 has 8 divisors (see below), whose sum is σ = 96959520. Its totient is φ = 48247232.

The previous prime is 72545227. The next prime is 72545261. The reversal of 72545241 is 14254527.

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 72545241 - 2²³ = 64156633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72545199 and 72545208.

It is not an unprimeable number, because it can be changed into a prime (72545261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27600 + ... + 30113.

It is an arithmetic number, because the mean of its divisors is an integer number (12119940).

Almost surely, 2^72545241 is an apocalyptic number.

It is an amenable number.

72545241 is a deficient number, since it is larger than the sum of its proper divisors (24414279).

72545241 is a wasteful number, since it uses less digits than its factorization.

72545241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58135.

The product of its digits is 11200, while the sum is 30.

The square root of 72545241 is about 8517.3494116421. The cubic root of 72545241 is about 417.0642609821.

Adding to 72545241 its reverse (14254527), we get a palindrome (86799768).

The spelling of 72545241 in words is "seventy-two million, five hundred forty-five thousand, two hundred forty-one".