7718412 has 24 divisors (see below), whose sum is σ = 19395376. Its totient is φ = 2374848.

The previous prime is 7718407. The next prime is 7718413. The reversal of 7718412 is 2148177.

It is a self number, because there is not a number n which added to its sum of digits gives 7718412.

It is not an unprimeable number, because it can be changed into a prime (7718413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24583 + ... + 24894.

Almost surely, 2^7718412 is an apocalyptic number.

It is an amenable number.

7718412 is an abundant number, since it is smaller than the sum of its proper divisors (11676964).

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

7718412 is a wasteful number, since it uses less digits than its factorization.

7718412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49497 (or 49495 counting only the distinct ones).

The product of its digits is 3136, while the sum is 30.

The square root of 7718412 is about 2778.2030163399. The cubic root of 7718412 is about 197.6253501109.

The spelling of 7718412 in words is "seven million, seven hundred eighteen thousand, four hundred twelve".