71313854 has 4 divisors (see below), whose sum is σ = 106970784. Its totient is φ = 35656926.

The previous prime is 71313829. The next prime is 71313863. The reversal of 71313854 is 45831317.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 71313854.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17828462 + ... + 17828465.

It is an arithmetic number, because the mean of its divisors is an integer number (26742696).

Almost surely, 2^71313854 is an apocalyptic number.

71313854 is a deficient number, since it is larger than the sum of its proper divisors (35656930).

71313854 is a wasteful number, since it uses less digits than its factorization.

71313854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35656929.

The product of its digits is 10080, while the sum is 32.

The square root of 71313854 is about 8444.7530455307. The cubic root of 71313854 is about 414.6910246763.

The spelling of 71313854 in words is "seventy-one million, three hundred thirteen thousand, eight hundred fifty-four".