7421349 has 24 divisors (see below), whose sum is σ = 11030880. Its totient is φ = 4411584.

The previous prime is 7421329. The next prime is 7421357. The reversal of 7421349 is 9431247.

It is a happy number.

It is not a de Polignac number, because 7421349 - 2⁸ = 7421093 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421329) 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 23 ways as a sum of consecutive naturals, for example, 53322 + ... + 53460.

It is an arithmetic number, because the mean of its divisors is an integer number (459620).

Almost surely, 2^7421349 is an apocalyptic number.

It is an amenable number.

7421349 is a deficient number, since it is larger than the sum of its proper divisors (3609531).

7421349 is a wasteful number, since it uses less digits than its factorization.

7421349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 192 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 7421349 is about 2724.2152998616. The cubic root of 7421349 is about 195.0567356278.

The spelling of 7421349 in words is "seven million, four hundred twenty-one thousand, three hundred forty-nine".