7881412 has 24 divisors (see below), whose sum is σ = 17196480. Its totient is φ = 3070560.

The previous prime is 7881373. The next prime is 7881487. The reversal of 7881412 is 2141887.

It is a super-2 number, since 2×7881412² = 124233310227488, which contains 22 as substring.

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, 12487 + ... + 13102.

It is an arithmetic number, because the mean of its divisors is an integer number (716520).

Almost surely, 2^7881412 is an apocalyptic number.

It is an amenable number.

7881412 is an abundant number, since it is smaller than the sum of its proper divisors (9315068).

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

7881412 is a wasteful number, since it uses less digits than its factorization.

7881412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25611 (or 25609 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 7881412 is about 2807.3852603446. The cubic root of 7881412 is about 199.0068430262.

The spelling of 7881412 in words is "seven million, eight hundred eighty-one thousand, four hundred twelve".