3742786 has 8 divisors (see below), whose sum is σ = 5664204. Its totient is φ = 1854720.

The previous prime is 3742741. The next prime is 3742789. The reversal of 3742786 is 6872473.

It can be written as a sum of positive squares in 2 ways, for example, as 2499561 + 1243225 = 1581^2 + 1115^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3742789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8055 + ... + 8506.

Almost surely, 2^3742786 is an apocalyptic number.

3742786 is a deficient number, since it is larger than the sum of its proper divisors (1921418).

3742786 is a wasteful number, since it uses less digits than its factorization.

3742786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16676.

The product of its digits is 56448, while the sum is 37.

The square root of 3742786 is about 1934.6281296415. The cubic root of 3742786 is about 155.2619365664.

It can be divided in two parts, 374 and 2786, that added together give a triangular number (3160 = T₇₉).

The spelling of 3742786 in words is "three million, seven hundred forty-two thousand, seven hundred eighty-six".