7295421 has 8 divisors (see below), whose sum is σ = 11116864. Its totient is φ = 4168800.

The previous prime is 7295399. The next prime is 7295461. The reversal of 7295421 is 1245927.

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

It is not a de Polignac number, because 7295421 - 2¹¹ = 7293373 is a prime.

It is an Ulam number.

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 (7295461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173680 + ... + 173721.

It is an arithmetic number, because the mean of its divisors is an integer number (1389608).

Almost surely, 2^7295421 is an apocalyptic number.

It is an amenable number.

7295421 is a deficient number, since it is larger than the sum of its proper divisors (3821443).

7295421 is a wasteful number, since it uses less digits than its factorization.

7295421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347411.

The product of its digits is 5040, while the sum is 30.

The square root of 7295421 is about 2701.0037023299. The cubic root of 7295421 is about 193.9471727065.

The spelling of 7295421 in words is "seven million, two hundred ninety-five thousand, four hundred twenty-one".