6418734 has 32 divisors (see below), whose sum is σ = 14896896. Its totient is φ = 1805760.

The previous prime is 6418733. The next prime is 6418747. The reversal of 6418734 is 4378146.

6418734 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 6418695 and 6418704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6418733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674 + ... + 3954.

It is an arithmetic number, because the mean of its divisors is an integer number (465528).

Almost surely, 2^6418734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6418734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7448448).

6418734 is an abundant number, since it is smaller than the sum of its proper divisors (8478162).

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

6418734 is a wasteful number, since it uses less digits than its factorization.

6418734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360.

The product of its digits is 16128, while the sum is 33.

The square root of 6418734 is about 2533.5220543741. The cubic root of 6418734 is about 185.8445342151.

The spelling of 6418734 in words is "six million, four hundred eighteen thousand, seven hundred thirty-four".