71143534 has 16 divisors (see below), whose sum is σ = 133047936. Its totient is φ = 27718200.

The previous prime is 71143519. The next prime is 71143547. The reversal of 71143534 is 43534117.

It is a super-2 number, since 2×71143534² = 10122804860018312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230832 + ... + 231139.

It is an arithmetic number, because the mean of its divisors is an integer number (8315496).

Almost surely, 2^71143534 is an apocalyptic number.

71143534 is a deficient number, since it is larger than the sum of its proper divisors (61904402).

71143534 is a wasteful number, since it uses less digits than its factorization.

71143534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461991.

The product of its digits is 5040, while the sum is 28.

The square root of 71143534 is about 8434.6626488556. The cubic root of 71143534 is about 414.3606238022.

It can be divided in two parts, 7114 and 3534, that added together give a cube (10648 = 22³).

The spelling of 71143534 in words is "seventy-one million, one hundred forty-three thousand, five hundred thirty-four".