71954200347 has 16 divisors (see below), whose sum is σ = 99041341440. Its totient is φ = 46418500800.

The previous prime is 71954200291. The next prime is 71954200349. The reversal of 71954200347 is 74300245917.

It is a de Polignac number, because none of the positive numbers 2^k-71954200347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71954200299 and 71954200308.

It is not an unprimeable number, because it can be changed into a prime (71954200349) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1773822 + ... + 1813932.

It is an arithmetic number, because the mean of its divisors is an integer number (6190083840).

Almost surely, 2^71954200347 is an apocalyptic number.

71954200347 is a deficient number, since it is larger than the sum of its proper divisors (27087141093).

71954200347 is a wasteful number, since it uses less digits than its factorization.

71954200347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59434.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 71954200347 in words is "seventy-one billion, nine hundred fifty-four million, two hundred thousand, three hundred forty-seven".