71083434 has 32 divisors (see below), whose sum is σ = 147248640. Its totient is φ = 22852800.

The previous prime is 71083423. The next prime is 71083447. The reversal of 71083434 is 43438017.

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 15 ways as a sum of consecutive naturals, for example, 85332 + ... + 86160.

It is an arithmetic number, because the mean of its divisors is an integer number (4601520).

Almost surely, 2^71083434 is an apocalyptic number.

71083434 is an abundant number, since it is smaller than the sum of its proper divisors (76165206).

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

71083434 is a wasteful number, since it uses less digits than its factorization.

71083434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 71083434 is about 8431.0992165909. The cubic root of 71083434 is about 414.2439109737.

It can be divided in two parts, 71083 and 434, that added together give a palindrome (71517).

The spelling of 71083434 in words is "seventy-one million, eighty-three thousand, four hundred thirty-four".