72568212 has 12 divisors (see below), whose sum is σ = 169325856. Its totient is φ = 24189400.

The previous prime is 72568207. The next prime is 72568213. The reversal of 72568212 is 21286527.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×72568212² = 10532290785753888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72568213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023664 + ... + 3023687.

It is an arithmetic number, because the mean of its divisors is an integer number (14110488).

Almost surely, 2^72568212 is an apocalyptic number.

It is an amenable number.

72568212 is an abundant number, since it is smaller than the sum of its proper divisors (96757644).

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

72568212 is a wasteful number, since it uses less digits than its factorization.

72568212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047358 (or 6047356 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 72568212 is about 8518.6977878077. The cubic root of 72568212 is about 417.1082766060.

The spelling of 72568212 in words is "seventy-two million, five hundred sixty-eight thousand, two hundred twelve".