71695056 has 80 divisors (see below), whose sum is σ = 196812800. Its totient is φ = 22425984.

The previous prime is 71695031. The next prime is 71695073. The reversal of 71695056 is 65059617.

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 15 ways as a sum of consecutive naturals, for example, 115515 + ... + 116133.

It is an arithmetic number, because the mean of its divisors is an integer number (2460160).

Almost surely, 2^71695056 is an apocalyptic number.

71695056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71695056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98406400).

71695056 is an abundant number, since it is smaller than the sum of its proper divisors (125117744).

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

71695056 is a wasteful number, since it uses less digits than its factorization.

71695056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 71695056 is about 8467.2933101434. The cubic root of 71695056 is about 415.4286102605.

The spelling of 71695056 in words is "seventy-one million, six hundred ninety-five thousand, fifty-six".