671077 has 4 divisors (see below), whose sum is σ = 732096. Its totient is φ = 610060.

The previous prime is 671063. The next prime is 671081. The reversal of 671077 is 770176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 671077 - 2¹¹ = 669029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30493 + ... + 30514.

It is an arithmetic number, because the mean of its divisors is an integer number (183024).

2⁶⁷¹⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

671077 is a deficient number, since it is larger than the sum of its proper divisors (61019).

671077 is a wasteful number, since it uses less digits than its factorization.

671077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61018.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 671077 is about 819.1928954770. The cubic root of 671077 is about 87.5502622790.

Subtracting 671077 from its reverse (770176), we obtain a palindrome (99099).

The spelling of 671077 in words is "six hundred seventy-one thousand, seventy-seven".