7425663 has 8 divisors (see below), whose sum is σ = 11315328. Its totient is φ = 4243224.

The previous prime is 7425661. The next prime is 7425667. The reversal of 7425663 is 3665247.

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

It is not a de Polignac number, because 7425663 - 2¹ = 7425661 is a prime.

It is a d-powerful number, because it can be written as 7⁸ + 4¹⁰ + 2⁷ + 5⁷ + 6⁴ + 6⁴ + 3¹² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7425661) 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, 176781 + ... + 176822.

It is an arithmetic number, because the mean of its divisors is an integer number (1414416).

Almost surely, 2^7425663 is an apocalyptic number.

7425663 is a deficient number, since it is larger than the sum of its proper divisors (3889665).

7425663 is a wasteful number, since it uses less digits than its factorization.

7425663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353613.

The product of its digits is 30240, while the sum is 33.

The square root of 7425663 is about 2725.0069724681. The cubic root of 7425663 is about 195.0945235359.

The spelling of 7425663 in words is "seven million, four hundred twenty-five thousand, six hundred sixty-three".