71730457843 has 8 divisors (see below), whose sum is σ = 78260385456. Its totient is φ = 65202026400.

The previous prime is 71730457831. The next prime is 71730457861. The reversal of 71730457843 is 34875403717.

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

It is a cyclic number.

It is not a de Polignac number, because 71730457843 - 2¹⁷ = 71730326771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71730458843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272596 + ... + 466657.

It is an arithmetic number, because the mean of its divisors is an integer number (9782548182).

Almost surely, 2^71730457843 is an apocalyptic number.

71730457843 is a deficient number, since it is larger than the sum of its proper divisors (6529927613).

71730457843 is a wasteful number, since it uses less digits than its factorization.

71730457843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748085.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 71730457843 in words is "seventy-one billion, seven hundred thirty million, four hundred fifty-seven thousand, eight hundred forty-three".