7068538 has 4 divisors (see below), whose sum is σ = 10602810. Its totient is φ = 3534268.

The previous prime is 7068533. The next prime is 7068539. The reversal of 7068538 is 8358607.

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

It can be written as a sum of positive squares in only one way, i.e., 4986289 + 2082249 = 2233^2 + 1443^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7068497 and 7068506.

It is not an unprimeable number, because it can be changed into a prime (7068533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1767133 + ... + 1767136.

Almost surely, 2^7068538 is an apocalyptic number.

7068538 is a deficient number, since it is larger than the sum of its proper divisors (3534272).

7068538 is a wasteful number, since it uses less digits than its factorization.

7068538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534271.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 7068538 is about 2658.6722250025. The cubic root of 7068538 is about 191.9154177500.

The spelling of 7068538 in words is "seven million, sixty-eight thousand, five hundred thirty-eight".