7421379 has 16 divisors (see below), whose sum is σ = 11424000. Its totient is φ = 4197600.

The previous prime is 7421371. The next prime is 7421383. The reversal of 7421379 is 9731247.

It is not a de Polignac number, because 7421379 - 2³ = 7421371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421371) 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 15 ways as a sum of consecutive naturals, for example, 372 + ... + 3870.

It is an arithmetic number, because the mean of its divisors is an integer number (714000).

Almost surely, 2^7421379 is an apocalyptic number.

7421379 is a deficient number, since it is larger than the sum of its proper divisors (4002621).

7421379 is a wasteful number, since it uses less digits than its factorization.

7421379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610.

The product of its digits is 10584, while the sum is 33.

The square root of 7421379 is about 2724.2208060288. The cubic root of 7421379 is about 195.0569984594.

The spelling of 7421379 in words is "seven million, four hundred twenty-one thousand, three hundred seventy-nine".