7381394 has 8 divisors (see below), whose sum is σ = 11342268. Its totient is φ = 3600640.

The previous prime is 7381343. The next prime is 7381403. The reversal of 7381394 is 4931837.

It can be written as a sum of positive squares in 2 ways, for example, as 7360369 + 21025 = 2713^2 + 145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44927 + ... + 45090.

Almost surely, 2^7381394 is an apocalyptic number.

7381394 is a deficient number, since it is larger than the sum of its proper divisors (3960874).

7381394 is a wasteful number, since it uses less digits than its factorization.

7381394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90060.

The product of its digits is 18144, while the sum is 35.

The square root of 7381394 is about 2716.8720985722. The cubic root of 7381394 is about 194.7060572433.

The spelling of 7381394 in words is "seven million, three hundred eighty-one thousand, three hundred ninety-four".