7478241 has 4 divisors (see below), whose sum is σ = 9970992. Its totient is φ = 4985492.

The previous prime is 7478209. The next prime is 7478257. The reversal of 7478241 is 1428747.

7478241 is digitally balanced in base 4, 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1428747 = 3 ⋅476249.

It is a cyclic number.

It is not a de Polignac number, because 7478241 - 2⁵ = 7478209 is a prime.

It is a Curzon number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7478941) 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, 1246371 + ... + 1246376.

It is an arithmetic number, because the mean of its divisors is an integer number (2492748).

Almost surely, 2^7478241 is an apocalyptic number.

It is an amenable number.

7478241 is a deficient number, since it is larger than the sum of its proper divisors (2492751).

7478241 is a wasteful number, since it uses less digits than its factorization.

7478241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492750.

The product of its digits is 12544, while the sum is 33.

The square root of 7478241 is about 2734.6372702792. The cubic root of 7478241 is about 195.5539018001.

The spelling of 7478241 in words is "seven million, four hundred seventy-eight thousand, two hundred forty-one".