71701960 has 64 divisors (see below), whose sum is σ = 178070400. Its totient is φ = 25766400.

The previous prime is 71701943. The next prime is 71701969. The reversal of 71701960 is 6910717.

It is not an unprimeable number, because it can be changed into a prime (71701969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38245 + ... + 40075.

It is an arithmetic number, because the mean of its divisors is an integer number (2782350).

Almost surely, 2^71701960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71701960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89035200).

71701960 is an abundant number, since it is smaller than the sum of its proper divisors (106368440).

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

71701960 is a wasteful number, since it uses less digits than its factorization.

71701960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 71701960 is about 8467.7009866905. The cubic root of 71701960 is about 415.4419446391.

The spelling of 71701960 in words is "seventy-one million, seven hundred one thousand, nine hundred sixty".