71043454 has 16 divisors (see below), whose sum is σ = 108371520. Its totient is φ = 34922880.

The previous prime is 71043443. The next prime is 71043473. The reversal of 71043454 is 45434017.

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, 62362 + ... + 63490.

It is an arithmetic number, because the mean of its divisors is an integer number (6773220).

Almost surely, 2^71043454 is an apocalyptic number.

71043454 is a deficient number, since it is larger than the sum of its proper divisors (37328066).

71043454 is a wasteful number, since it uses less digits than its factorization.

71043454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 71043454 is about 8428.7278992740. The cubic root of 71043454 is about 414.1662342843.

The spelling of 71043454 in words is "seventy-one million, forty-three thousand, four hundred fifty-four".