2067742 has 8 divisors (see below), whose sum is σ = 3160296. Its totient is φ = 1014312.

The previous prime is 2067739. The next prime is 2067781. The reversal of 2067742 is 2477602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2067742.

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 3 ways as a sum of consecutive naturals, for example, 9648 + ... + 9859.

It is an arithmetic number, because the mean of its divisors is an integer number (395037).

2^2067742 is an apocalyptic number.

2067742 is a deficient number, since it is larger than the sum of its proper divisors (1092554).

2067742 is a wasteful number, since it uses less digits than its factorization.

2067742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19562.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2067742 is about 1437.9645336377. The cubic root of 2067742 is about 127.3988329871.

It can be divided in two parts, 2067 and 742, that added together give a square (2809 = 53²).

The spelling of 2067742 in words is "two million, sixty-seven thousand, seven hundred forty-two".