72320635082 has 8 divisors (see below), whose sum is σ = 108604650756. Its totient is φ = 36119084832.

The previous prime is 72320635061. The next prime is 72320635141. The reversal of 72320635082 is 28053602327.

It can be written as a sum of positive squares in 2 ways, for example, as 70548140881 + 1772494201 = 265609^2 + 42101^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20614163 + ... + 20617670.

Almost surely, 2^72320635082 is an apocalyptic number.

72320635082 is a deficient number, since it is larger than the sum of its proper divisors (36284015674).

72320635082 is a wasteful number, since it uses less digits than its factorization.

72320635082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41232712.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 72320635082 in words is "seventy-two billion, three hundred twenty million, six hundred thirty-five thousand, eighty-two".