72860222206 has 4 divisors (see below), whose sum is σ = 109290333312. Its totient is φ = 36430111102.

The previous prime is 72860222179. The next prime is 72860222221. The reversal of 72860222206 is 60222206827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60222206827 = 19 ⋅3169589833.

It is a super-2 number, since 2×72860222206² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18215055550 + ... + 18215055553.

It is an arithmetic number, because the mean of its divisors is an integer number (27322583328).

Almost surely, 2^72860222206 is an apocalyptic number.

72860222206 is a deficient number, since it is larger than the sum of its proper divisors (36430111106).

72860222206 is a wasteful number, since it uses less digits than its factorization.

72860222206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36430111105.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 72860222206 in words is "seventy-two billion, eight hundred sixty million, two hundred twenty-two thousand, two hundred six".