7973430 has 16 divisors (see below), whose sum is σ = 19136304. Its totient is φ = 2126240.

The previous prime is 7973423. The next prime is 7973431. The reversal of 7973430 is 343797.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 7973391 and 7973400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7973431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132861 + ... + 132920.

It is an arithmetic number, because the mean of its divisors is an integer number (1196019).

Almost surely, 2^7973430 is an apocalyptic number.

7973430 is an abundant number, since it is smaller than the sum of its proper divisors (11162874).

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

7973430 is a wasteful number, since it uses less digits than its factorization.

7973430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265791.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 7973430 is about 2823.7262615204. The cubic root of 7973430 is about 199.7783377533.

The spelling of 7973430 in words is "seven million, nine hundred seventy-three thousand, four hundred thirty".