71370061 has 24 divisors (see below), whose sum is σ = 87684864. Its totient is φ = 56881440.

The previous prime is 71370059. The next prime is 71370071. The reversal of 71370061 is 16007317.

It is not a de Polignac number, because 71370061 - 2¹ = 71370059 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 (71370001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153916 + ... + 154378.

It is an arithmetic number, because the mean of its divisors is an integer number (3653536).

Almost surely, 2^71370061 is an apocalyptic number.

It is an amenable number.

71370061 is a deficient number, since it is larger than the sum of its proper divisors (16314803).

71370061 is a wasteful number, since it uses less digits than its factorization.

71370061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 71370061 is about 8448.0803144857. The cubic root of 71370061 is about 414.7999442207.

Adding to 71370061 its reverse (16007317), we get a palindrome (87377378).

The spelling of 71370061 in words is "seventy-one million, three hundred seventy thousand, sixty-one".