7137838 has 8 divisors (see below), whose sum is σ = 10724688. Its totient is φ = 3562944.

The previous prime is 7137833. The next prime is 7137839. The reversal of 7137838 is 8387317.

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 = 7137797 and 7137806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7137833) by changing a digit.

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, 1306 + ... + 3997.

It is an arithmetic number, because the mean of its divisors is an integer number (1340586).

Almost surely, 2^7137838 is an apocalyptic number.

7137838 is a deficient number, since it is larger than the sum of its proper divisors (3586850).

7137838 is a wasteful number, since it uses less digits than its factorization.

7137838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978.

The product of its digits is 28224, while the sum is 37.

The square root of 7137838 is about 2671.6732584656. The cubic root of 7137838 is about 192.5405592841.

The spelling of 7137838 in words is "seven million, one hundred thirty-seven thousand, eight hundred thirty-eight".