72960586 has 4 divisors (see below), whose sum is σ = 109440882. Its totient is φ = 36480292.

The previous prime is 72960571. The next prime is 72960599. The reversal of 72960586 is 68506927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68506927 = 947 ⋅72341.

It can be written as a sum of positive squares in only one way, i.e., 63504961 + 9455625 = 7969^2 + 3075^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18240145 + ... + 18240148.

Almost surely, 2^72960586 is an apocalyptic number.

72960586 is a deficient number, since it is larger than the sum of its proper divisors (36480296).

72960586 is a wasteful number, since it uses less digits than its factorization.

72960586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36480295.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 72960586 is about 8541.6969040115. The cubic root of 72960586 is about 417.8586894418.

The spelling of 72960586 in words is "seventy-two million, nine hundred sixty thousand, five hundred eighty-six".