1974742 has 16 divisors (see below), whose sum is σ = 3693312. Its totient is φ = 769320.

The previous prime is 1974719. The next prime is 1974743. The reversal of 1974742 is 2474791.

It is a junction number, because it is equal to n+sod(n) for n = 1974698 and 1974707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6258 + ... + 6565.

It is an arithmetic number, because the mean of its divisors is an integer number (230832).

2^1974742 is an apocalyptic number.

1974742 is a deficient number, since it is larger than the sum of its proper divisors (1718570).

1974742 is a wasteful number, since it uses less digits than its factorization.

1974742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12843.

The product of its digits is 14112, while the sum is 34.

The square root of 1974742 is about 1405.2551369769. The cubic root of 1974742 is about 125.4594716835.

The spelling of 1974742 in words is "one million, nine hundred seventy-four thousand, seven hundred forty-two".