7245663 has 4 divisors (see below), whose sum is σ = 9660888. Its totient is φ = 4830440.

The previous prime is 7245619. The next prime is 7245671. The reversal of 7245663 is 3665427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7245663 - 2¹² = 7241567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7245263) 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, 1207608 + ... + 1207613.

It is an arithmetic number, because the mean of its divisors is an integer number (2415222).

Almost surely, 2^7245663 is an apocalyptic number.

7245663 is a deficient number, since it is larger than the sum of its proper divisors (2415225).

7245663 is a wasteful number, since it uses less digits than its factorization.

7245663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415224.

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

The square root of 7245663 is about 2691.7769224065. The cubic root of 7245663 is about 193.5052312482.

The spelling of 7245663 in words is "seven million, two hundred forty-five thousand, six hundred sixty-three".