71896560 has 40 divisors (see below), whose sum is σ = 222880080. Its totient is φ = 19172352.

The previous prime is 71896549. The next prime is 71896609. The reversal of 71896560 is 6569817.

It is a tau number, because it is divible by the number of its divisors (40).

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 in 7 ways as a sum of consecutive naturals, for example, 149545 + ... + 150024.

It is an arithmetic number, because the mean of its divisors is an integer number (5572002).

Almost surely, 2^71896560 is an apocalyptic number.

It is an amenable number.

71896560 is an abundant number, since it is smaller than the sum of its proper divisors (150983520).

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

71896560 is a wasteful number, since it uses less digits than its factorization.

71896560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299585 (or 299579 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 71896560 is about 8479.1839229964. The cubic root of 71896560 is about 415.8174433210.

The spelling of 71896560 in words is "seventy-one million, eight hundred ninety-six thousand, five hundred sixty".