72839086 has 8 divisors (see below), whose sum is σ = 109338480. Its totient is φ = 36392928.

The previous prime is 72839077. The next prime is 72839093. The reversal of 72839086 is 68093827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9691 + ... + 15478.

It is an arithmetic number, because the mean of its divisors is an integer number (13667310).

Almost surely, 2^72839086 is an apocalyptic number.

72839086 is a deficient number, since it is larger than the sum of its proper divisors (36499394).

72839086 is a wasteful number, since it uses less digits than its factorization.

72839086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26618.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 72839086 is about 8534.5817706552. The cubic root of 72839086 is about 417.6266096222.

The spelling of 72839086 in words is "seventy-two million, eight hundred thirty-nine thousand, eighty-six".