7675421 has 8 divisors (see below), whose sum is σ = 8330784. Its totient is φ = 7029360.

The previous prime is 7675363. The next prime is 7675427. The reversal of 7675421 is 1245767.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7675421 - 2⁶ = 7675357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7675427) 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, 551 + ... + 3956.

It is an arithmetic number, because the mean of its divisors is an integer number (1041348).

Almost surely, 2^7675421 is an apocalyptic number.

It is an amenable number.

7675421 is a deficient number, since it is larger than the sum of its proper divisors (655363).

7675421 is a wasteful number, since it uses less digits than its factorization.

7675421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651.

The product of its digits is 11760, while the sum is 32.

The square root of 7675421 is about 2770.4550167797. The cubic root of 7675421 is about 197.2577470917.

The spelling of 7675421 in words is "seven million, six hundred seventy-five thousand, four hundred twenty-one".