7973424 has 40 divisors (see below), whose sum is σ = 22887920. Its totient is φ = 2657664.

The previous prime is 7973423. The next prime is 7973431. The reversal of 7973424 is 4243797.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 7⁵ + 9⁶ + 7⁸ + 3¹³ + 4 + 2⁹ + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (7973423) 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, 8797 + ... + 9660.

It is an arithmetic number, because the mean of its divisors is an integer number (572198).

Almost surely, 2^7973424 is an apocalyptic number.

It is an amenable number.

7973424 is an abundant number, since it is smaller than the sum of its proper divisors (14914496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7973424 is a wasteful number, since it uses less digits than its factorization.

7973424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18474 (or 18462 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 7973424 is about 2823.7251990943. The cubic root of 7973424 is about 199.7782876423.

The spelling of 7973424 in words is "seven million, nine hundred seventy-three thousand, four hundred twenty-four".