7217684412 has 12 divisors (see below), whose sum is σ = 16841263656. Its totient is φ = 2405894800.

The previous prime is 7217684371. The next prime is 7217684431. The reversal of 7217684412 is 2144867127.

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

It is a congruent number.

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, 300736839 + ... + 300736862.

It is an arithmetic number, because the mean of its divisors is an integer number (1403438638).

Almost surely, 2^7217684412 is an apocalyptic number.

It is an amenable number.

7217684412 is an abundant number, since it is smaller than the sum of its proper divisors (9623579244).

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

7217684412 is a wasteful number, since it uses less digits than its factorization.

7217684412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601473708 (or 601473706 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 7217684412 is about 84956.9562307878. The cubic root of 7217684412 is about 1932.5584129278.

The spelling of 7217684412 in words is "seven billion, two hundred seventeen million, six hundred eighty-four thousand, four hundred twelve".