71077 has 8 divisors (see below), whose sum is σ = 77976. Its totient is φ = 64512.

The previous prime is 71069. The next prime is 71081. The reversal of 71077 is 77017.

It can be written as a sum of positive squares in 4 ways, for example, as 12996 + 58081 = 114^2 + 241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71077 - 2³ = 71069 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 (71777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573 + ... + 685.

It is an arithmetic number, because the mean of its divisors is an integer number (9747).

2⁷¹⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

71077 is a deficient number, since it is larger than the sum of its proper divisors (6899).

71077 is a wasteful number, since it uses less digits than its factorization.

71077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167.

The product of its (nonzero) digits is 343, while the sum is 22.

The square root of 71077 is about 266.6027006615. The cubic root of 71077 is about 41.4231412395.

It can be divided in two parts, 710 and 77, that added together give a palindrome (787).

The spelling of 71077 in words is "seventy-one thousand, seventy-seven", and thus it is an iban number.