72213206 has 16 divisors (see below), whose sum is σ = 118253184. Its totient is φ = 32871744.

The previous prime is 72213199. The next prime is 72213217. The reversal of 72213206 is 60231227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17126 + ... + 20921.

It is an arithmetic number, because the mean of its divisors is an integer number (7390824).

Almost surely, 2^72213206 is an apocalyptic number.

72213206 is a deficient number, since it is larger than the sum of its proper divisors (46039978).

72213206 is a wasteful number, since it uses less digits than its factorization.

72213206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38135.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 72213206 is about 8497.8353714343. The cubic root of 72213206 is about 416.4269954627.

The spelling of 72213206 in words is "seventy-two million, two hundred thirteen thousand, two hundred six".