7921363 has 4 divisors (see below), whose sum is σ = 7939008. Its totient is φ = 7903720.

The previous prime is 7921351. The next prime is 7921373. The reversal of 7921363 is 3631297.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3631297 = 461 ⋅7877.

It is a cyclic number.

It is not a de Polignac number, because 7921363 - 2²¹ = 5824211 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 7⁸ + 9² + 2²¹ + 1 + 3⁵ + 6² + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7921313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8131 + ... + 9052.

It is an arithmetic number, because the mean of its divisors is an integer number (1984752).

Almost surely, 2^7921363 is an apocalyptic number.

7921363 is a deficient number, since it is larger than the sum of its proper divisors (17645).

7921363 is a wasteful number, since it uses less digits than its factorization.

7921363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17644.

The product of its digits is 6804, while the sum is 31.

The square root of 7921363 is about 2814.4916059566. The cubic root of 7921363 is about 199.3425327189.

The spelling of 7921363 in words is "seven million, nine hundred twenty-one thousand, three hundred sixty-three".