7263138 has 8 divisors (see below), whose sum is σ = 14526288. Its totient is φ = 2421044.

The previous prime is 7263127. The next prime is 7263143. The reversal of 7263138 is 8313627.

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

7263138 is an admirable number.

It is a Curzon number.

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, 605256 + ... + 605267.

It is an arithmetic number, because the mean of its divisors is an integer number (1815786).

Almost surely, 2^7263138 is an apocalyptic number.

7263138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7263138 is a wasteful number, since it uses less digits than its factorization.

7263138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210528.

The product of its digits is 6048, while the sum is 30.

The square root of 7263138 is about 2695.0209646680. The cubic root of 7263138 is about 193.6606708569.

The spelling of 7263138 in words is "seven million, two hundred sixty-three thousand, one hundred thirty-eight".