6743820 has 24 divisors (see below), whose sum is σ = 18882864. Its totient is φ = 1798336.

The previous prime is 6743809. The next prime is 6743831. The reversal of 6743820 is 283476.

6743820 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6743809) and next prime (6743831).

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

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, 56139 + ... + 56258.

It is an arithmetic number, because the mean of its divisors is an integer number (786786).

Almost surely, 2^6743820 is an apocalyptic number.

6743820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6743820 is an abundant number, since it is smaller than the sum of its proper divisors (12139044).

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

6743820 is a wasteful number, since it uses less digits than its factorization.

6743820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112409 (or 112407 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 6743820 is about 2596.8865974470. The cubic root of 6743820 is about 188.9304634875.

The spelling of 6743820 in words is "six million, seven hundred forty-three thousand, eight hundred twenty".