71182947060 has 72 divisors (see below), whose sum is σ = 228622886856. Its totient is φ = 17865523200.

The previous prime is 71182947053. The next prime is 71182947067. The reversal of 71182947060 is 6074928117.

It is a happy number.

71182947060 is a `hidden beast` number, since 7 + 118 + 2 + 9 + 470 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (71182947053) and next prime (71182947067).

It can be written as a sum of positive squares in 4 ways, for example, as 2122260624 + 69060686436 = 46068^2 + 262794^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 71182946997 and 71182947015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71182947067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11628141 + ... + 11634260.

It is an arithmetic number, because the mean of its divisors is an integer number (3175317873).

Almost surely, 2^71182947060 is an apocalyptic number.

It is an amenable number.

71182947060 is an abundant number, since it is smaller than the sum of its proper divisors (157439939796).

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

71182947060 is a wasteful number, since it uses less digits than its factorization.

71182947060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23262433 (or 23262428 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 71182947060 in words is "seventy-one billion, one hundred eighty-two million, nine hundred forty-seven thousand, sixty".