71600225 has 12 divisors (see below), whose sum is σ = 90002796. Its totient is φ = 56494080.

The previous prime is 71600183. The next prime is 71600237. The reversal of 71600225 is 52200617.

It can be written as a sum of positive squares in 6 ways, for example, as 11444689 + 60155536 = 3383^2 + 7756^2 .

It is not a de Polignac number, because 71600225 - 2¹⁶ = 71534689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71600225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17792 + ... + 21441.

It is an arithmetic number, because the mean of its divisors is an integer number (7500233).

Almost surely, 2^71600225 is an apocalyptic number.

It is an amenable number.

71600225 is a deficient number, since it is larger than the sum of its proper divisors (18402571).

71600225 is a wasteful number, since it uses less digits than its factorization.

71600225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39316 (or 39311 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 71600225 is about 8461.6916157468. The cubic root of 71600225 is about 415.2453670683.

The spelling of 71600225 in words is "seventy-one million, six hundred thousand, two hundred twenty-five".