71959960 has 16 divisors (see below), whose sum is σ = 161910000. Its totient is φ = 28783968.

The previous prime is 71959919. The next prime is 71959967. The reversal of 71959960 is 6995917.

It is a self number, because there is not a number n which added to its sum of digits gives 71959960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71959967) 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, 899460 + ... + 899539.

It is an arithmetic number, because the mean of its divisors is an integer number (10119375).

Almost surely, 2^71959960 is an apocalyptic number.

It is an amenable number.

71959960 is an abundant number, since it is smaller than the sum of its proper divisors (89950040).

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

71959960 is a wasteful number, since it uses less digits than its factorization.

71959960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799010 (or 1799006 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 71959960 is about 8482.9216665015. The cubic root of 71959960 is about 415.9396331290.

The spelling of 71959960 in words is "seventy-one million, nine hundred fifty-nine thousand, nine hundred sixty".