71359872 has 32 divisors (see below), whose sum is σ = 189550680. Its totient is φ = 23786496.

The previous prime is 71359867. The next prime is 71359879. The reversal of 71359872 is 27895317.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71359879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92533 + ... + 93300.

Almost surely, 2^71359872 is an apocalyptic number.

It is an amenable number.

71359872 is an abundant number, since it is smaller than the sum of its proper divisors (118190808).

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

71359872 is a wasteful number, since it uses less digits than its factorization.

71359872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185850 (or 185838 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 71359872 is about 8447.4772565542. The cubic root of 71359872 is about 414.7802039276.

The spelling of 71359872 in words is "seventy-one million, three hundred fifty-nine thousand, eight hundred seventy-two".