71706964 has 24 divisors (see below), whose sum is σ = 145768448. Its totient is φ = 30227040.

The previous prime is 71706953. The next prime is 71706967. The reversal of 71706964 is 46960717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71706967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19284 + ... + 22699.

Almost surely, 2^71706964 is an apocalyptic number.

It is an amenable number.

71706964 is an abundant number, since it is smaller than the sum of its proper divisors (74061484).

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

71706964 is a wasteful number, since it uses less digits than its factorization.

71706964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42055 (or 42053 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 71706964 is about 8467.9964572501. The cubic root of 71706964 is about 415.4516088247.

The spelling of 71706964 in words is "seventy-one million, seven hundred six thousand, nine hundred sixty-four".