3040743 has 4 divisors (see below), whose sum is σ = 4054328. Its totient is φ = 2027160.

The previous prime is 3040733. The next prime is 3040753. The reversal of 3040743 is 3470403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3470403 = 3 ⋅1156801.

It is an interprime number because it is at equal distance from previous prime (3040733) and next prime (3040753).

It is not a de Polignac number, because 3040743 - 2⁴ = 3040727 is a prime.

It is a super-2 number, since 2×3040743² = 18492235984098, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040733) 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, 506788 + ... + 506793.

It is an arithmetic number, because the mean of its divisors is an integer number (1013582).

Almost surely, 2^3040743 is an apocalyptic number.

3040743 is a deficient number, since it is larger than the sum of its proper divisors (1013585).

3040743 is a wasteful number, since it uses less digits than its factorization.

3040743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013584.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 3040743 is about 1743.7726342617. The cubic root of 3040743 is about 144.8749298049.

The spelling of 3040743 in words is "three million, forty thousand, seven hundred forty-three".