4092742 has 4 divisors (see below), whose sum is σ = 6139116. Its totient is φ = 2046370.

The previous prime is 4092727. The next prime is 4092749. The reversal of 4092742 is 2472904.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4092742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4092749) 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 as a sum of consecutive naturals, namely, 1023184 + ... + 1023187.

It is an arithmetic number, because the mean of its divisors is an integer number (1534779).

Almost surely, 2^4092742 is an apocalyptic number.

4092742 is a deficient number, since it is larger than the sum of its proper divisors (2046374).

4092742 is a wasteful number, since it uses less digits than its factorization.

4092742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046373.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4092742 is about 2023.0526439023. The cubic root of 4092742 is about 159.9575668724.

The spelling of 4092742 in words is "four million, ninety-two thousand, seven hundred forty-two".