7674138 has 36 divisors (see below), whose sum is σ = 17563338. Its totient is φ = 2421360.

The previous prime is 7674137. The next prime is 7674179. The reversal of 7674138 is 8314767.

It can be written as a sum of positive squares in only one way, i.e., 4941729 + 2732409 = 2223^2 + 1653^2 .

It is not an unprimeable number, because it can be changed into a prime (7674131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5908 + ... + 7088.

Almost surely, 2^7674138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7674138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8781669).

7674138 is an abundant number, since it is smaller than the sum of its proper divisors (9889200).

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

7674138 is a wasteful number, since it uses less digits than its factorization.

7674138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1205 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 7674138 is about 2770.2234566908. The cubic root of 7674138 is about 197.2467554778.

The spelling of 7674138 in words is "seven million, six hundred seventy-four thousand, one hundred thirty-eight".