7638245 has 8 divisors (see below), whose sum is σ = 9461760. Its totient is φ = 5913360.

The previous prime is 7638233. The next prime is 7638269. The reversal of 7638245 is 5428367.

It is a happy number.

7638245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7638245 - 2⁴ = 7638229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24485 + ... + 24794.

It is an arithmetic number, because the mean of its divisors is an integer number (1182720).

Almost surely, 2^7638245 is an apocalyptic number.

It is an amenable number.

7638245 is a deficient number, since it is larger than the sum of its proper divisors (1823515).

7638245 is a wasteful number, since it uses less digits than its factorization.

7638245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49315.

The product of its digits is 40320, while the sum is 35.

The square root of 7638245 is about 2763.7375056253. The cubic root of 7638245 is about 196.9387580513.

The spelling of 7638245 in words is "seven million, six hundred thirty-eight thousand, two hundred forty-five".