7713138 has 16 divisors (see below), whose sum is σ = 16333920. Its totient is φ = 2419776.

The previous prime is 7713137. The next prime is 7713157. The reversal of 7713138 is 8313177.

It is not an unprimeable number, because it can be changed into a prime (7713133) 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 7 ways as a sum of consecutive naturals, for example, 37708 + ... + 37911.

It is an arithmetic number, because the mean of its divisors is an integer number (1020870).

Almost surely, 2^7713138 is an apocalyptic number.

7713138 is an abundant number, since it is smaller than the sum of its proper divisors (8620782).

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

7713138 is a wasteful number, since it uses less digits than its factorization.

7713138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75641.

The product of its digits is 3528, while the sum is 30.

The square root of 7713138 is about 2777.2536794467. The cubic root of 7713138 is about 197.5803273098.

The spelling of 7713138 in words is "seven million, seven hundred thirteen thousand, one hundred thirty-eight".