71017061 has 8 divisors (see below), whose sum is σ = 72394560. Its totient is φ = 69645472.

The previous prime is 71017057. The next prime is 71017081. The reversal of 71017061 is 16071017.

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 71017061 - 2² = 71017057 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 (71017081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28481 + ... + 30873.

It is an arithmetic number, because the mean of its divisors is an integer number (9049320).

Almost surely, 2^71017061 is an apocalyptic number.

It is an amenable number.

71017061 is a deficient number, since it is larger than the sum of its proper divisors (1377499).

71017061 is a wasteful number, since it uses less digits than its factorization.

71017061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 71017061 is about 8427.1620964593. The cubic root of 71017061 is about 414.1149396529.

Adding to 71017061 its reverse (16071017), we get a palindrome (87088078).

It can be divided in two parts, 710 and 17061, that added together give a palindrome (17771).

The spelling of 71017061 in words is "seventy-one million, seventeen thousand, sixty-one".