72548047 has 8 divisors (see below), whose sum is σ = 85231440. Its totient is φ = 60879360.

The previous prime is 72548041. The next prime is 72548051. The reversal of 72548047 is 74084527.

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 72548047 - 2¹¹ = 72545999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72547997 and 72548015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72548041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253522 + ... + 253807.

It is an arithmetic number, because the mean of its divisors is an integer number (10653930).

Almost surely, 2^72548047 is an apocalyptic number.

72548047 is a deficient number, since it is larger than the sum of its proper divisors (12683393).

72548047 is a wasteful number, since it uses less digits than its factorization.

72548047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507353.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 72548047 is about 8517.5141326563. The cubic root of 72548047 is about 417.0696381657.

It can be divided in two parts, 725480 and 47, that added together give a palindrome (725527).

The spelling of 72548047 in words is "seventy-two million, five hundred forty-eight thousand, forty-seven".