71137060 has 12 divisors (see below), whose sum is σ = 149387868. Its totient is φ = 28454816.

The previous prime is 71137057. The next prime is 71137063. The reversal of 71137060 is 6073117.

It is an interprime number because it is at equal distance from previous prime (71137057) and next prime (71137063).

It can be written as a sum of positive squares in 2 ways, for example, as 39866596 + 31270464 = 6314^2 + 5592^2 .

It is not an unprimeable number, because it can be changed into a prime (71137063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1778407 + ... + 1778446.

It is an arithmetic number, because the mean of its divisors is an integer number (12448989).

Almost surely, 2^71137060 is an apocalyptic number.

It is an amenable number.

71137060 is an abundant number, since it is smaller than the sum of its proper divisors (78250808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71137060 is a wasteful number, since it uses less digits than its factorization.

71137060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556862 (or 3556860 counting only the distinct ones).

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

The square root of 71137060 is about 8434.2788666252. The cubic root of 71137060 is about 414.3480546016.

The spelling of 71137060 in words is "seventy-one million, one hundred thirty-seven thousand, sixty".