7442742 has 16 divisors (see below), whose sum is σ = 14982192. Its totient is φ = 2464800.

The previous prime is 7442681. The next prime is 7442749. The reversal of 7442742 is 2472447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3009 + ... + 4892.

It is an arithmetic number, because the mean of its divisors is an integer number (936387).

Almost surely, 2^7442742 is an apocalyptic number.

7442742 is an abundant number, since it is smaller than the sum of its proper divisors (7539450).

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

7442742 is a wasteful number, since it uses less digits than its factorization.

7442742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8063.

The product of its digits is 12544, while the sum is 30.

The square root of 7442742 is about 2728.1389260813. The cubic root of 7442742 is about 195.2439812603.

It can be divided in two parts, 744 and 2742, that added together give a triangular number (3486 = T₈₃).

The spelling of 7442742 in words is "seven million, four hundred forty-two thousand, seven hundred forty-two".