72196483644 has 36 divisors (see below), whose sum is σ = 184202253144. Its totient is φ = 23840582112.

The previous prime is 72196483631. The next prime is 72196483661. The reversal of 72196483644 is 44638469127.

72196483644 is a `hidden beast` number, since 7 + 219 + 64 + 8 + 364 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9367447 + ... + 9375150.

It is an arithmetic number, because the mean of its divisors is an integer number (5116729254).

Almost surely, 2^72196483644 is an apocalyptic number.

It is an amenable number.

72196483644 is an abundant number, since it is smaller than the sum of its proper divisors (112005769500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72196483644 is a wasteful number, since it uses less digits than its factorization.

72196483644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18742714 (or 18742709 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 72196483644 in words is "seventy-two billion, one hundred ninety-six million, four hundred eighty-three thousand, six hundred forty-four".