71960736 has 48 divisors (see below), whose sum is σ = 189453600. Its totient is φ = 23916288.

The previous prime is 71960729. The next prime is 71960741. The reversal of 71960736 is 63706917.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 71960694 and 71960703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39330 + ... + 41118.

It is an arithmetic number, because the mean of its divisors is an integer number (3946950).

Almost surely, 2^71960736 is an apocalyptic number.

It is an amenable number.

71960736 is an abundant number, since it is smaller than the sum of its proper divisors (117492864).

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

71960736 is a wasteful number, since it uses less digits than its factorization.

71960736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 71960736 is about 8482.9674053364. The cubic root of 71960736 is about 415.9411282567.

The spelling of 71960736 in words is "seventy-one million, nine hundred sixty thousand, seven hundred thirty-six".