6870144 has 32 divisors (see below), whose sum is σ = 18249840. Its totient is φ = 2289920.

The previous prime is 6870119. The next prime is 6870151. The reversal of 6870144 is 4410786.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8562 + ... + 9329.

Almost surely, 2^6870144 is an apocalyptic number.

6870144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6870144 is an abundant number, since it is smaller than the sum of its proper divisors (11379696).

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

6870144 is a wasteful number, since it uses less digits than its factorization.

6870144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17908 (or 17896 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 6870144 is about 2621.0959539857. The cubic root of 6870144 is about 190.1028436761.

The spelling of 6870144 in words is "six million, eight hundred seventy thousand, one hundred forty-four".