71869152 has 24 divisors (see below), whose sum is σ = 188656776. Its totient is φ = 23956352.

The previous prime is 71869151. The next prime is 71869159. The reversal of 71869152 is 25196817.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 71869152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71869151) 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, 374223 + ... + 374414.

It is an arithmetic number, because the mean of its divisors is an integer number (7860699).

Almost surely, 2^71869152 is an apocalyptic number.

It is an amenable number.

71869152 is an abundant number, since it is smaller than the sum of its proper divisors (116787624).

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

71869152 is a wasteful number, since it uses less digits than its factorization.

71869152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748650 (or 748642 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 71869152 is about 8477.5675756670. The cubic root of 71869152 is about 415.7645980806.

The spelling of 71869152 in words is "seventy-one million, eight hundred sixty-nine thousand, one hundred fifty-two".