71868048 has 80 divisors (see below), whose sum is σ = 214272000. Its totient is φ = 20331648.

The previous prime is 71868047. The next prime is 71868059. The reversal of 71868048 is 84086817.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71868047) 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, 34953 + ... + 36951.

It is an arithmetic number, because the mean of its divisors is an integer number (2678400).

Almost surely, 2^71868048 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 71868048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107136000).

71868048 is an abundant number, since it is smaller than the sum of its proper divisors (142403952).

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

71868048 is a wasteful number, since it uses less digits than its factorization.

71868048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124 (or 2118 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 71868048 is about 8477.5024624001. The cubic root of 71868048 is about 415.7624691817.

The spelling of 71868048 in words is "seventy-one million, eight hundred sixty-eight thousand, forty-eight".