71608936 has 64 divisors (see below), whose sum is σ = 163296000. Its totient is φ = 28773888.

The previous prime is 71608931. The next prime is 71608939. The reversal of 71608936 is 63980617.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (71608931) 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, 67740 + ... + 68788.

It is an arithmetic number, because the mean of its divisors is an integer number (2551500).

Almost surely, 2^71608936 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 71608936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81648000).

71608936 is an abundant number, since it is smaller than the sum of its proper divisors (91687064).

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

71608936 is a wasteful number, since it uses less digits than its factorization.

71608936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 71608936 is about 8462.2063316844. The cubic root of 71608936 is about 415.2622061947.

The spelling of 71608936 in words is "seventy-one million, six hundred eight thousand, nine hundred thirty-six".