7872446 has 4 divisors (see below), whose sum is σ = 11808672. Its totient is φ = 3936222.

The previous prime is 7872443. The next prime is 7872521. The reversal of 7872446 is 6442787.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 7 + 8⁷ + 7³ + 2¹⁹ + 4¹⁰ + 4¹¹ + 6⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1968110 + ... + 1968113.

It is an arithmetic number, because the mean of its divisors is an integer number (2952168).

Almost surely, 2^7872446 is an apocalyptic number.

7872446 is a deficient number, since it is larger than the sum of its proper divisors (3936226).

7872446 is a wasteful number, since it uses less digits than its factorization.

7872446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936225.

The product of its digits is 75264, while the sum is 38.

The square root of 7872446 is about 2805.7879463709. The cubic root of 7872446 is about 198.9313501071.

The spelling of 7872446 in words is "seven million, eight hundred seventy-two thousand, four hundred forty-six".