72096839 has 4 divisors (see below), whose sum is σ = 72181824. Its totient is φ = 72011856.

The previous prime is 72096823. The next prime is 72096863. The reversal of 72096839 is 93869027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72096839 - 2⁴ = 72096823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72096839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72096809) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 41207 + ... + 42920.

It is an arithmetic number, because the mean of its divisors is an integer number (18045456).

Almost surely, 2^72096839 is an apocalyptic number.

72096839 is a deficient number, since it is larger than the sum of its proper divisors (84985).

72096839 is an equidigital number, since it uses as much as digits as its factorization.

72096839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84984.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 72096839 is about 8490.9857496053. The cubic root of 72096839 is about 416.2031933108.

The spelling of 72096839 in words is "seventy-two million, ninety-six thousand, eight hundred thirty-nine".