7994872 has 8 divisors (see below), whose sum is σ = 14990400. Its totient is φ = 3997432.

The previous prime is 7994867. The next prime is 7994873. The reversal of 7994872 is 2784997.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7994873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499672 + ... + 499687.

It is an arithmetic number, because the mean of its divisors is an integer number (1873800).

Almost surely, 2^7994872 is an apocalyptic number.

It is an amenable number.

7994872 is a deficient number, since it is larger than the sum of its proper divisors (6995528).

7994872 is a wasteful number, since it uses less digits than its factorization.

7994872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999365 (or 999361 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 7994872 is about 2827.5204685378. The cubic root of 7994872 is about 199.9572575327.

It can be divided in two parts, 799 and 4872, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 7994872 in words is "seven million, nine hundred ninety-four thousand, eight hundred seventy-two".