70711000447 has 16 divisors (see below), whose sum is σ = 72761414400. Its totient is φ = 68689938240.

The previous prime is 70711000363. The next prime is 70711000499. The reversal of 70711000447 is 74400011707.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70711000447 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 (70711000747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12132148 + ... + 12137974.

It is an arithmetic number, because the mean of its divisors is an integer number (4547588400).

Almost surely, 2^70711000447 is an apocalyptic number.

70711000447 is a deficient number, since it is larger than the sum of its proper divisors (2050413953).

70711000447 is a wasteful number, since it uses less digits than its factorization.

70711000447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8286.

The product of its (nonzero) digits is 5488, while the sum is 31.

The spelling of 70711000447 in words is "seventy billion, seven hundred eleven million, four hundred forty-seven", and thus it is an aban number.