71725108 has 96 divisors (see below), whose sum is σ = 166973184. Its totient is φ = 26155008.

The previous prime is 71725099. The next prime is 71725111. The reversal of 71725108 is 80152717.

It is a happy number.

It is a super-2 number, since 2×71725108² = 10288982235223328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71725108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 414510 + ... + 414682.

It is an arithmetic number, because the mean of its divisors is an integer number (1739304).

Almost surely, 2^71725108 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 71725108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83486592).

71725108 is an abundant number, since it is smaller than the sum of its proper divisors (95248076).

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

71725108 is a wasteful number, since it uses less digits than its factorization.

71725108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 71725108 is about 8469.0677172874. The cubic root of 71725108 is about 415.4866464179.

The spelling of 71725108 in words is "seventy-one million, seven hundred twenty-five thousand, one hundred eight".