7217412 has 12 divisors (see below), whose sum is σ = 16840656. Its totient is φ = 2405800.

The previous prime is 7217407. The next prime is 7217417. The reversal of 7217412 is 2147127.

It is an interprime number because it is at equal distance from previous prime (7217407) and next prime (7217417).

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

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7217417) 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, 300714 + ... + 300737.

It is an arithmetic number, because the mean of its divisors is an integer number (1403388).

Almost surely, 2^7217412 is an apocalyptic number.

It is an amenable number.

7217412 is an abundant number, since it is smaller than the sum of its proper divisors (9623244).

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

7217412 is a wasteful number, since it uses less digits than its factorization.

7217412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601458 (or 601456 counting only the distinct ones).

The product of its digits is 784, while the sum is 24.

The square root of 7217412 is about 2686.5241484118. The cubic root of 7217412 is about 193.2534099556.

The spelling of 7217412 in words is "seven million, two hundred seventeen thousand, four hundred twelve".