6771955 has 4 divisors (see below), whose sum is σ = 8126352. Its totient is φ = 5417560.

The previous prime is 6771953. The next prime is 6771971. The reversal of 6771955 is 5591776.

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

It is not a de Polignac number, because 6771955 - 2¹ = 6771953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6771953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677191 + ... + 677200.

It is an arithmetic number, because the mean of its divisors is an integer number (2031588).

Almost surely, 2^6771955 is an apocalyptic number.

6771955 is a deficient number, since it is larger than the sum of its proper divisors (1354397).

6771955 is a wasteful number, since it uses less digits than its factorization.

6771955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354396.

The product of its digits is 66150, while the sum is 40.

The square root of 6771955 is about 2602.2980229021. The cubic root of 6771955 is about 189.1928362259.

The spelling of 6771955 in words is "six million, seven hundred seventy-one thousand, nine hundred fifty-five".