71265500 has 48 divisors (see below), whose sum is σ = 162437184. Its totient is φ = 27262400.

The previous prime is 71265473. The next prime is 71265517. The reversal of 71265500 is 556217.

It is a self number, because there is not a number n which added to its sum of digits gives 71265500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8402 + ... + 14598.

It is an arithmetic number, because the mean of its divisors is an integer number (3384108).

Almost surely, 2^71265500 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 71265500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81218592).

71265500 is an abundant number, since it is smaller than the sum of its proper divisors (91171684).

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

71265500 is a wasteful number, since it uses less digits than its factorization.

71265500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239 (or 6227 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 71265500 is about 8441.8895988991. The cubic root of 71265500 is about 414.5972770970.

The spelling of 71265500 in words is "seventy-one million, two hundred sixty-five thousand, five hundred".