71105944 has 32 divisors (see below), whose sum is σ = 164092320. Its totient is φ = 28129536.

The previous prime is 71105933. The next prime is 71105959. The reversal of 71105944 is 44950117.

It is a super-2 number, since 2×71105944² = 10112110544262272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48109 + ... + 49564.

It is an arithmetic number, because the mean of its divisors is an integer number (5127885).

Almost surely, 2^71105944 is an apocalyptic number.

It is an amenable number.

71105944 is an abundant number, since it is smaller than the sum of its proper divisors (92986376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71105944 is a wasteful number, since it uses less digits than its factorization.

71105944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97699 (or 97695 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 71105944 is about 8432.4340495494. The cubic root of 71105944 is about 414.2876325827.

The spelling of 71105944 in words is "seventy-one million, one hundred five thousand, nine hundred forty-four".