7381942 has 16 divisors (see below), whose sum is σ = 11612160. Its totient is φ = 3512872.

The previous prime is 7381931. The next prime is 7381943. The reversal of 7381942 is 2491837.

It is a junction number, because it is equal to n+sod(n) for n = 7381898 and 7381907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7381943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17409 + ... + 17827.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^7381942 is an apocalyptic number.

7381942 is a deficient number, since it is larger than the sum of its proper divisors (4230218).

7381942 is a wasteful number, since it uses less digits than its factorization.

7381942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827.

The product of its digits is 12096, while the sum is 34.

The square root of 7381942 is about 2716.9729479699. The cubic root of 7381942 is about 194.7108754966.

The spelling of 7381942 in words is "seven million, three hundred eighty-one thousand, nine hundred forty-two".