71830015338 has 8 divisors (see below), whose sum is σ = 143660030688. Its totient is φ = 23943338444.

The previous prime is 71830015331. The next prime is 71830015363. The reversal of 71830015338 is 83351003817.

It is a sphenic number, since it is the product of 3 distinct primes.

71830015338 is an admirable number.

It is a super-2 number, since 2×71830015338² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71830015296 and 71830015305.

It is not an unprimeable number, because it can be changed into a prime (71830015331) 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, 5985834606 + ... + 5985834617.

It is an arithmetic number, because the mean of its divisors is an integer number (17957503836).

Almost surely, 2^71830015338 is an apocalyptic number.

71830015338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71830015338 is a wasteful number, since it uses less digits than its factorization.

71830015338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11971669228.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 71830015338 in words is "seventy-one billion, eight hundred thirty million, fifteen thousand, three hundred thirty-eight".