6422742 has 12 divisors (see below), whose sum is σ = 13915980. Its totient is φ = 2140908.

The previous prime is 6422729. The next prime is 6422761. The reversal of 6422742 is 2472246.

It is a happy number.

It is a super-2 number, since 2×6422742² = 82503229597128, 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 5 ways as a sum of consecutive naturals, for example, 178392 + ... + 178427.

It is an arithmetic number, because the mean of its divisors is an integer number (1159665).

Almost surely, 2^6422742 is an apocalyptic number.

6422742 is an abundant number, since it is smaller than the sum of its proper divisors (7493238).

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

6422742 is a wasteful number, since it uses less digits than its factorization.

6422742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356827 (or 356824 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 6422742 is about 2534.3129246405. The cubic root of 6422742 is about 185.8832079842.

Adding to 6422742 its reverse (2472246), we get a palindrome (8894988).

The spelling of 6422742 in words is "six million, four hundred twenty-two thousand, seven hundred forty-two".