71845011 has 24 divisors (see below), whose sum is σ = 122430464. Its totient is φ = 39728880.

The previous prime is 71845003. The next prime is 71845013. The reversal of 71845011 is 11054817.

It is not a de Polignac number, because 71845011 - 2³ = 71845003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71845013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16441 + ... + 20346.

Almost surely, 2^71845011 is an apocalyptic number.

71845011 is a deficient number, since it is larger than the sum of its proper divisors (50585453).

71845011 is a wasteful number, since it uses less digits than its factorization.

71845011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36831 (or 36828 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 71845011 is about 8476.1436396512. The cubic root of 71845011 is about 415.7180407983.

Adding to 71845011 its reverse (11054817), we get a palindrome (82899828).

The spelling of 71845011 in words is "seventy-one million, eight hundred forty-five thousand, eleven".