1942742 has 4 divisors (see below), whose sum is σ = 2914116. Its totient is φ = 971370.

The previous prime is 1942729. The next prime is 1942747. The reversal of 1942742 is 2472491.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485684 + ... + 485687.

It is an arithmetic number, because the mean of its divisors is an integer number (728529).

2^1942742 is an apocalyptic number.

1942742 is a deficient number, since it is larger than the sum of its proper divisors (971374).

1942742 is an equidigital number, since it uses as much as digits as its factorization.

1942742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971373.

The product of its digits is 4032, while the sum is 29.

The square root of 1942742 is about 1393.8228007893. The cubic root of 1942742 is about 124.7781023245.

The spelling of 1942742 in words is "one million, nine hundred forty-two thousand, seven hundred forty-two".