7423742 has 8 divisors (see below), whose sum is σ = 11161056. Its totient is φ = 3703392.

The previous prime is 7423727. The next prime is 7423751. The reversal of 7423742 is 2473247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7423742² = 110223890565128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (1395132).

Almost surely, 2^7423742 is an apocalyptic number.

7423742 is a deficient number, since it is larger than the sum of its proper divisors (3737314).

7423742 is a wasteful number, since it uses less digits than its factorization.

7423742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482.

The product of its digits is 9408, while the sum is 29.

The square root of 7423742 is about 2724.6544735067. The cubic root of 7423742 is about 195.0776986004.

Adding to 7423742 its reverse (2473247), we get a palindrome (9896989).

The spelling of 7423742 in words is "seven million, four hundred twenty-three thousand, seven hundred forty-two".