71030043 has 12 divisors (see below), whose sum is σ = 117256048. Its totient is φ = 40588560.

The previous prime is 71030039. The next prime is 71030053. The reversal of 71030043 is 34003017.

It is not a de Polignac number, because 71030043 - 2² = 71030039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71029998 and 71030025.

It is not an unprimeable number, because it can be changed into a prime (71030053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563668 + ... + 563793.

Almost surely, 2^71030043 is an apocalyptic number.

71030043 is a deficient number, since it is larger than the sum of its proper divisors (46226005).

71030043 is a wasteful number, since it uses less digits than its factorization.

71030043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127474 (or 1127471 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 71030043 is about 8427.9323086983. The cubic root of 71030043 is about 414.1401716771.

The spelling of 71030043 in words is "seventy-one million, thirty thousand, forty-three".