3742784 has 14 divisors (see below), whose sum is σ = 7427214. Its totient is φ = 1871360.

The previous prime is 3742741. The next prime is 3742789. The reversal of 3742784 is 4872473.

It can be written as a sum of positive squares in only one way, i.e., 3717184 + 25600 = 1928^2 + 160^2 .

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 as a sum of consecutive naturals, namely, 29177 + ... + 29304.

Almost surely, 2^3742784 is an apocalyptic number.

It is an amenable number.

3742784 is a deficient number, since it is larger than the sum of its proper divisors (3684430).

3742784 is an equidigital number, since it uses as much as digits as its factorization.

3742784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58493 (or 58483 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 3742784 is about 1934.6276127462. The cubic root of 3742784 is about 155.2619089111.

The spelling of 3742784 in words is "three million, seven hundred forty-two thousand, seven hundred eighty-four".