71430211207 has 4 divisors (see below), whose sum is σ = 71451814216. Its totient is φ = 71408608200.

The previous prime is 71430211187. The next prime is 71430211243. The reversal of 71430211207 is 70211203417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70211203417 = 191693 ⋅366269.

It is a cyclic number.

It is not a de Polignac number, because 71430211207 - 2⁷ = 71430211079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71430211247) 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, 10796544 + ... + 10803157.

It is an arithmetic number, because the mean of its divisors is an integer number (17862953554).

Almost surely, 2^71430211207 is an apocalyptic number.

71430211207 is a deficient number, since it is larger than the sum of its proper divisors (21603009).

71430211207 is a wasteful number, since it uses less digits than its factorization.

71430211207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21603008.

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 71430211207 in words is "seventy-one billion, four hundred thirty million, two hundred eleven thousand, two hundred seven".