7468138 has 8 divisors (see below), whose sum is σ = 11588580. Its totient is φ = 3605280.

The previous prime is 7468129. The next prime is 7468147. The reversal of 7468138 is 8318647.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7468129) and next prime (7468147).

It can be written as a sum of positive squares in 2 ways, for example, as 6901129 + 567009 = 2627^2 + 753^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7468097 and 7468106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64323 + ... + 64438.

Almost surely, 2^7468138 is an apocalyptic number.

7468138 is a deficient number, since it is larger than the sum of its proper divisors (4120442).

7468138 is a wasteful number, since it uses less digits than its factorization.

7468138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128792.

The product of its digits is 32256, while the sum is 37.

The square root of 7468138 is about 2732.7894174268. The cubic root of 7468138 is about 195.4657985753.

The spelling of 7468138 in words is "seven million, four hundred sixty-eight thousand, one hundred thirty-eight".