7227742 has 4 divisors (see below), whose sum is σ = 10841616. Its totient is φ = 3613870.

The previous prime is 7227739. The next prime is 7227751. The reversal of 7227742 is 2477227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2477227 = 101 ⋅24527.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1806934 + ... + 1806937.

It is an arithmetic number, because the mean of its divisors is an integer number (2710404).

Almost surely, 2^7227742 is an apocalyptic number.

7227742 is a deficient number, since it is larger than the sum of its proper divisors (3613874).

7227742 is a wasteful number, since it uses less digits than its factorization.

7227742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613873.

The product of its digits is 10976, while the sum is 31.

The square root of 7227742 is about 2688.4460195436. The cubic root of 7227742 is about 193.3455646906.

It can be divided in two parts, 722 and 7742, that added together give a square (8464 = 92²).

The spelling of 7227742 in words is "seven million, two hundred twenty-seven thousand, seven hundred forty-two".