7381142 has 4 divisors (see below), whose sum is σ = 11071716. Its totient is φ = 3690570.

The previous prime is 7381141. The next prime is 7381159. The reversal of 7381142 is 2411837.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7381141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1845284 + ... + 1845287.

It is an arithmetic number, because the mean of its divisors is an integer number (2767929).

Almost surely, 2^7381142 is an apocalyptic number.

7381142 is a deficient number, since it is larger than the sum of its proper divisors (3690574).

7381142 is a wasteful number, since it uses less digits than its factorization.

7381142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690573.

The product of its digits is 1344, while the sum is 26.

The square root of 7381142 is about 2716.8257213152. The cubic root of 7381142 is about 194.7038414701.

Adding to 7381142 its reverse (2411837), we get a palindrome (9792979).

The spelling of 7381142 in words is "seven million, three hundred eighty-one thousand, one hundred forty-two".