71458307147 has 4 divisors (see below), whose sum is σ = 71585231880. Its totient is φ = 71331382416.

The previous prime is 71458307119. The next prime is 71458307159. The reversal of 71458307147 is 74170385417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74170385417 = 5147 ⋅14410411.

It is a cyclic number.

It is not a de Polignac number, because 71458307147 - 2⁶ = 71458307083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71458307117) 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 3 ways as a sum of consecutive naturals, for example, 63461522 + ... + 63462647.

It is an arithmetic number, because the mean of its divisors is an integer number (17896307970).

Almost surely, 2^71458307147 is an apocalyptic number.

71458307147 is a deficient number, since it is larger than the sum of its proper divisors (126924733).

71458307147 is a wasteful number, since it uses less digits than its factorization.

71458307147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126924732.

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 71458307147 in words is "seventy-one billion, four hundred fifty-eight million, three hundred seven thousand, one hundred forty-seven".