7495421 has 4 divisors (see below), whose sum is σ = 7598172. Its totient is φ = 7392672.

The previous prime is 7495409. The next prime is 7495429. The reversal of 7495421 is 1245947.

It is a happy number.

7495421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1245947 = 17 ⋅73291.

It can be written as a sum of positive squares in 2 ways, for example, as 3189796 + 4305625 = 1786^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 7495421 - 2¹⁴ = 7479037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7495429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51266 + ... + 51411.

It is an arithmetic number, because the mean of its divisors is an integer number (1899543).

Almost surely, 2^7495421 is an apocalyptic number.

It is an amenable number.

7495421 is a deficient number, since it is larger than the sum of its proper divisors (102751).

7495421 is a wasteful number, since it uses less digits than its factorization.

7495421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102750.

The product of its digits is 10080, while the sum is 32.

The square root of 7495421 is about 2737.7766526874. The cubic root of 7495421 is about 195.7035379955.

The spelling of 7495421 in words is "seven million, four hundred ninety-five thousand, four hundred twenty-one".