73286611225 has 27 divisors (see below), whose sum is σ = 94167526557. Its totient is φ = 56577269280.

The previous prime is 73286611169. The next prime is 73286611241. The reversal of 73286611225 is 52211668237.

The square root of 73286611225 is 270715.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1007364121 + 72279247104 = 31739^2 + 268848^2 .

It is not a de Polignac number, because 73286611225 - 2³³ = 64696676633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 39252742 + ... + 39254608.

Almost surely, 2^73286611225 is an apocalyptic number.

73286611225 is the 270715-th square number.

73286611225 is the 135358-th centered octagonal number.

It is an amenable number.

73286611225 is a deficient number, since it is larger than the sum of its proper divisors (20880915332).

73286611225 is an frugal number, since it uses more digits than its factorization.

73286611225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802 (or 1901 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The spelling of 73286611225 in words is "seventy-three billion, two hundred eighty-six million, six hundred eleven thousand, two hundred twenty-five".