71945883 has 6 divisors (see below), whose sum is σ = 103921844. Its totient is φ = 47963916.

The previous prime is 71945869. The next prime is 71945891. The reversal of 71945883 is 38854917.

It is not a de Polignac number, because 71945883 - 2⁵ = 71945851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71945813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3996985 + ... + 3997002.

Almost surely, 2^71945883 is an apocalyptic number.

71945883 is a deficient number, since it is larger than the sum of its proper divisors (31975961).

71945883 is a wasteful number, since it uses less digits than its factorization.

71945883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993993 (or 7993990 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 71945883 is about 8482.0918999973. The cubic root of 71945883 is about 415.9125089521.

The spelling of 71945883 in words is "seventy-one million, nine hundred forty-five thousand, eight hundred eighty-three".