71730165062 has 4 divisors (see below), whose sum is σ = 107595247596. Its totient is φ = 35865082530.

The previous prime is 71730165011. The next prime is 71730165097. The reversal of 71730165062 is 26056103717.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×71730165062³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17932541264 + ... + 17932541267.

It is an arithmetic number, because the mean of its divisors is an integer number (26898811899).

Almost surely, 2^71730165062 is an apocalyptic number.

71730165062 is a deficient number, since it is larger than the sum of its proper divisors (35865082534).

71730165062 is a wasteful number, since it uses less digits than its factorization.

71730165062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35865082533.

The product of its (nonzero) digits is 52920, while the sum is 38.

Adding to 71730165062 its reverse (26056103717), we get a palindrome (97786268779).

The spelling of 71730165062 in words is "seventy-one billion, seven hundred thirty million, one hundred sixty-five thousand, sixty-two".