5742840 has 32 divisors (see below), whose sum is σ = 17228880. Its totient is φ = 1531392.

The previous prime is 5742833. The next prime is 5742851. The reversal of 5742840 is 482475.

5742840 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×5742840² = 65960422531200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5742798 and 5742807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23809 + ... + 24048.

Almost surely, 2^5742840 is an apocalyptic number.

It is an amenable number.

5742840 is an abundant number, since it is smaller than the sum of its proper divisors (11486040).

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

5742840 is a wasteful number, since it uses less digits than its factorization.

5742840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47871 (or 47867 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 5742840 is about 2396.4223333962. The cubic root of 5742840 is about 179.0780014387.

The spelling of 5742840 in words is "five million, seven hundred forty-two thousand, eight hundred forty".