7914321 has 8 divisors (see below), whose sum is σ = 11724960. Its totient is φ = 5276196.

The previous prime is 7914307. The next prime is 7914341. The reversal of 7914321 is 1234197.

It is not a de Polignac number, because 7914321 - 2⁹ = 7913809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 293123 = 7914321 / (7 + 9 + 1 + 4 + 3 + 2 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7914341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146535 + ... + 146588.

It is an arithmetic number, because the mean of its divisors is an integer number (1465620).

Almost surely, 2^7914321 is an apocalyptic number.

It is an amenable number.

7914321 is a deficient number, since it is larger than the sum of its proper divisors (3810639).

7914321 is a wasteful number, since it uses less digits than its factorization.

7914321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293132 (or 293126 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 7914321 is about 2813.2403025693. The cubic root of 7914321 is about 199.2834441378.

It can be divided in two parts, 79 and 14321, that added together give a square (14400 = 120²).

The spelling of 7914321 in words is "seven million, nine hundred fourteen thousand, three hundred twenty-one".