7381936 has 20 divisors (see below), whose sum is σ = 14353992. Its totient is φ = 3677696.

The previous prime is 7381931. The next prime is 7381943. The reversal of 7381936 is 6391837.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7381895 and 7381904.

It is not an unprimeable number, because it can be changed into a prime (7381931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4995 + ... + 6301.

Almost surely, 2^7381936 is an apocalyptic number.

It is an amenable number.

7381936 is a deficient number, since it is larger than the sum of its proper divisors (6972056).

7381936 is a wasteful number, since it uses less digits than its factorization.

7381936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1662 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 7381936 is about 2716.9718437996. The cubic root of 7381936 is about 194.7108227433.

Subtracting from 7381936 its reverse (6391837), we obtain a palindrome (990099).

The spelling of 7381936 in words is "seven million, three hundred eighty-one thousand, nine hundred thirty-six".