7409142 has 24 divisors (see below), whose sum is σ = 17288544. Its totient is φ = 2279664.

The previous prime is 7409131. The next prime is 7409147. The reversal of 7409142 is 2419047.

It is a happy number.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7409147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15598 + ... + 16065.

It is an arithmetic number, because the mean of its divisors is an integer number (720356).

Almost surely, 2^7409142 is an apocalyptic number.

7409142 is an abundant number, since it is smaller than the sum of its proper divisors (9879402).

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

7409142 is a wasteful number, since it uses less digits than its factorization.

7409142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31684 (or 31681 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7409142 is about 2721.9739161131. The cubic root of 7409142 is about 194.9497306318.

The spelling of 7409142 in words is "seven million, four hundred nine thousand, one hundred forty-two".