7138674 has 48 divisors (see below), whose sum is σ = 16805880. Its totient is φ = 2181120.

The previous prime is 7138673. The next prime is 7138693. The reversal of 7138674 is 4768317.

It can be written as a sum of positive squares in 4 ways, for example, as 4100625 + 3038049 = 2025^2 + 1743^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12262 + ... + 12830.

Almost surely, 2^7138674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7138674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8402940).

7138674 is an abundant number, since it is smaller than the sum of its proper divisors (9667206).

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

7138674 is a wasteful number, since it uses less digits than its factorization.

7138674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 632 counting only the distinct ones).

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

The square root of 7138674 is about 2671.8297101425. The cubic root of 7138674 is about 192.5480759217.

The spelling of 7138674 in words is "seven million, one hundred thirty-eight thousand, six hundred seventy-four".