7881364 has 12 divisors (see below), whose sum is σ = 14392224. Its totient is φ = 3769304.

The previous prime is 7881337. The next prime is 7881373. The reversal of 7881364 is 4631887.

It is a happy number.

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, 42742 + ... + 42925.

It is an arithmetic number, because the mean of its divisors is an integer number (1199352).

Almost surely, 2^7881364 is an apocalyptic number.

It is an amenable number.

7881364 is a deficient number, since it is larger than the sum of its proper divisors (6510860).

7881364 is a wasteful number, since it uses less digits than its factorization.

7881364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85694 (or 85692 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 7881364 is about 2807.3767114515. The cubic root of 7881364 is about 199.0064390230.

It can be divided in two parts, 788136 and 4, that added together give a triangular number (788140 = T₁₂₅₅).

The spelling of 7881364 in words is "seven million, eight hundred eighty-one thousand, three hundred sixty-four".