6738378 has 16 divisors (see below), whose sum is σ = 13581216. Its totient is φ = 2228720.

The previous prime is 6738373. The next prime is 6738383. The reversal of 6738378 is 8738376.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6738373) and next prime (6738383).

It is not an unprimeable number, because it can be changed into a prime (6738373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3501 + ... + 5072.

It is an arithmetic number, because the mean of its divisors is an integer number (848826).

Almost surely, 2^6738378 is an apocalyptic number.

6738378 is an abundant number, since it is smaller than the sum of its proper divisors (6842838).

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

6738378 is a wasteful number, since it uses less digits than its factorization.

6738378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709.

The product of its digits is 169344, while the sum is 42.

The square root of 6738378 is about 2595.8385928251. The cubic root of 6738378 is about 188.8796299704.

The spelling of 6738378 in words is "six million, seven hundred thirty-eight thousand, three hundred seventy-eight".