71093869 has 16 divisors (see below), whose sum is σ = 88989696. Its totient is φ = 55177200.

The previous prime is 71093861. The next prime is 71093887. The reversal of 71093869 is 96839017.

It is a cyclic number.

It is not a de Polignac number, because 71093869 - 2³ = 71093861 is a prime.

It is a super-2 number, since 2×71093869² = 10108676418778322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71093861) 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, 19164 + ... + 22570.

It is an arithmetic number, because the mean of its divisors is an integer number (5561856).

Almost surely, 2^71093869 is an apocalyptic number.

It is an amenable number.

71093869 is a deficient number, since it is larger than the sum of its proper divisors (17895827).

71093869 is a wasteful number, since it uses less digits than its factorization.

71093869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 71093869 is about 8431.7180337106. The cubic root of 71093869 is about 414.2641802238.

The spelling of 71093869 in words is "seventy-one million, ninety-three thousand, eight hundred sixty-nine".