2947345071 has 32 divisors (see below), whose sum is σ = 4316587008. Its totient is φ = 1774016640.

The previous prime is 2947345061. The next prime is 2947345109. The reversal of 2947345071 is 1705437492.

It is not a de Polignac number, because 2947345071 - 2¹⁰ = 2947344047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947345061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4807761 + ... + 4808373.

It is an arithmetic number, because the mean of its divisors is an integer number (134893344).

Almost surely, 2^2947345071 is an apocalyptic number.

2947345071 is a deficient number, since it is larger than the sum of its proper divisors (1369241937).

2947345071 is a wasteful number, since it uses less digits than its factorization.

2947345071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

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

The square root of 2947345071 is about 54289.4563520395. The cubic root of 2947345071 is about 1433.7617667455.

The spelling of 2947345071 in words is "two billion, nine hundred forty-seven million, three hundred forty-five thousand, seventy-one".