71884064 has 24 divisors (see below), whose sum is σ = 161739648. Its totient is φ = 30807360.

The previous prime is 71884061. The next prime is 71884067. The reversal of 71884064 is 46048817.

It is an interprime number because it is at equal distance from previous prime (71884061) and next prime (71884067).

It is not an unprimeable number, because it can be changed into a prime (71884061) 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, 160232 + ... + 160679.

It is an arithmetic number, because the mean of its divisors is an integer number (6739152).

Almost surely, 2^71884064 is an apocalyptic number.

It is an amenable number.

71884064 is an abundant number, since it is smaller than the sum of its proper divisors (89855584).

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

71884064 is a wasteful number, since it uses less digits than its factorization.

71884064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320928 (or 320920 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 71884064 is about 8478.4470276107. The cubic root of 71884064 is about 415.7933515061.

The spelling of 71884064 in words is "seventy-one million, eight hundred eighty-four thousand, sixty-four".