72327849 has 16 divisors (see below), whose sum is σ = 107652864. Its totient is φ = 42814800.

The previous prime is 72327841. The next prime is 72327863. The reversal of 72327849 is 94872327.

It is not a de Polignac number, because 72327849 - 2³ = 72327841 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72327849.

It is not an unprimeable number, because it can be changed into a prime (72327841) 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 15 ways as a sum of consecutive naturals, for example, 24067 + ... + 26904.

It is an arithmetic number, because the mean of its divisors is an integer number (6728304).

Almost surely, 2^72327849 is an apocalyptic number.

It is an amenable number.

72327849 is a deficient number, since it is larger than the sum of its proper divisors (35325015).

72327849 is a wasteful number, since it uses less digits than its factorization.

72327849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51028.

The product of its digits is 169344, while the sum is 42.

The square root of 72327849 is about 8504.5781200480. The cubic root of 72327849 is about 416.6472469527.

It can be divided in two parts, 723278 and 49, that added together give a palindrome (723327).

The spelling of 72327849 in words is "seventy-two million, three hundred twenty-seven thousand, eight hundred forty-nine".