6771890 has 16 divisors (see below), whose sum is σ = 12719808. Its totient is φ = 2590896.

The previous prime is 6771883. The next prime is 6771911. The reversal of 6771890 is 981776.

It is a happy number.

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, 14492 + ... + 14951.

It is an arithmetic number, because the mean of its divisors is an integer number (794988).

Almost surely, 2^6771890 is an apocalyptic number.

6771890 is a deficient number, since it is larger than the sum of its proper divisors (5947918).

6771890 is a wasteful number, since it uses less digits than its factorization.

6771890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29473.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 6771890 is about 2602.2855339105. The cubic root of 6771890 is about 189.1922309072.

The spelling of 6771890 in words is "six million, seven hundred seventy-one thousand, eight hundred ninety".