7138684 has 24 divisors (see below), whose sum is σ = 14362208. Its totient is φ = 3041280.

The previous prime is 7138673. The next prime is 7138693. The reversal of 7138684 is 4868317.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4744 + ... + 6064.

Almost surely, 2^7138684 is an apocalyptic number.

It is an amenable number.

7138684 is an abundant number, since it is smaller than the sum of its proper divisors (7223524).

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

7138684 is a wasteful number, since it uses less digits than its factorization.

7138684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1523 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 7138684 is about 2671.8315815186. The cubic root of 7138684 is about 192.5481658300.

The spelling of 7138684 in words is "seven million, one hundred thirty-eight thousand, six hundred eighty-four".