3042740 has 24 divisors (see below), whose sum is σ = 6435072. Its totient is φ = 1208480.

The previous prime is 3042731. The next prime is 3042749. The reversal of 3042740 is 472403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3042731) and next prime (3042749).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042749) by changing a digit.

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, 2885 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

Almost surely, 2^3042740 is an apocalyptic number.

It is an amenable number.

3042740 is an abundant number, since it is smaller than the sum of its proper divisors (3392332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3042740 is a wasteful number, since it uses less digits than its factorization.

3042740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 3042740 is about 1744.3451493326. The cubic root of 3042740 is about 144.9066382747.

The spelling of 3042740 in words is "three million, forty-two thousand, seven hundred forty".