6775740 has 36 divisors (see below), whose sum is σ = 20553624. Its totient is φ = 1806816.

The previous prime is 6775733. The next prime is 6775781. The reversal of 6775740 is 475776.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6775695 and 6775704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18642 + ... + 19001.

It is an arithmetic number, because the mean of its divisors is an integer number (570934).

Almost surely, 2^6775740 is an apocalyptic number.

6775740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6775740 is an abundant number, since it is smaller than the sum of its proper divisors (13777884).

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

6775740 is a wasteful number, since it uses less digits than its factorization.

6775740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37658 (or 37653 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 6775740 is about 2603.0251631515. The cubic root of 6775740 is about 189.2280777237.

Adding to 6775740 its sum of digits (36), we get a palindrome (6775776).

The spelling of 6775740 in words is "six million, seven hundred seventy-five thousand, seven hundred forty".