71104077 has 18 divisors (see below), whose sum is σ = 112893326. Its totient is φ = 43092720.

The previous prime is 71104073. The next prime is 71104087. The reversal of 71104077 is 77040117.

It can be written as a sum of positive squares in only one way, i.e., 61685316 + 9418761 = 7854^2 + 3069^2 .

It is not a de Polignac number, because 71104077 - 2² = 71104073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71104077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71104073) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31558 + ... + 33735.

Almost surely, 2^71104077 is an apocalyptic number.

It is an amenable number.

71104077 is a deficient number, since it is larger than the sum of its proper divisors (41789249).

71104077 is a wasteful number, since it uses less digits than its factorization.

71104077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65321 (or 65307 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 71104077 is about 8432.3233453183. The cubic root of 71104077 is about 414.2840066234.

It can be divided in two parts, 711040 and 77, that added together give a palindrome (711117).

The spelling of 71104077 in words is "seventy-one million, one hundred four thousand, seventy-seven".