6342178 has 4 divisors (see below), whose sum is σ = 9513270. Its totient is φ = 3171088.

The previous prime is 6342169. The next prime is 6342179. The reversal of 6342178 is 8712436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6335289 + 6889 = 2517^2 + 83^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6342179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585543 + ... + 1585546.

Almost surely, 2^6342178 is an apocalyptic number.

6342178 is a deficient number, since it is larger than the sum of its proper divisors (3171092).

6342178 is a wasteful number, since it uses less digits than its factorization.

6342178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171091.

The product of its digits is 8064, while the sum is 31.

The square root of 6342178 is about 2518.3681224158. The cubic root of 6342178 is about 185.1027235693.

The spelling of 6342178 in words is "six million, three hundred forty-two thousand, one hundred seventy-eight".