2007742 has 16 divisors (see below), whose sum is σ = 3307392. Its totient is φ = 906520.

The previous prime is 2007737. The next prime is 2007763. The reversal of 2007742 is 2477002.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 in 7 ways as a sum of consecutive naturals, for example, 5613 + ... + 5959.

It is an arithmetic number, because the mean of its divisors is an integer number (206712).

2^2007742 is an apocalyptic number.

2007742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2007742 is a deficient number, since it is larger than the sum of its proper divisors (1299650).

2007742 is a wasteful number, since it uses less digits than its factorization.

2007742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 2007742 is about 1416.9481289024. The cubic root of 2007742 is about 126.1544674804.

The spelling of 2007742 in words is "two million, seven thousand, seven hundred forty-two".