73436225 has 12 divisors (see below), whose sum is σ = 91569660. Its totient is φ = 58420800.

The previous prime is 73436213. The next prime is 73436239. The reversal of 73436225 is 52263437.

It can be written as a sum of positive squares in 6 ways, for example, as 2050624 + 71385601 = 1432^2 + 8449^2 .

It is not a de Polignac number, because 73436225 - 2⁶ = 73436161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73436191 and 73436200.

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, 3590 + ... + 12639.

It is an arithmetic number, because the mean of its divisors is an integer number (7630805).

Almost surely, 2^73436225 is an apocalyptic number.

It is an amenable number.

73436225 is a deficient number, since it is larger than the sum of its proper divisors (18133435).

73436225 is a wasteful number, since it uses less digits than its factorization.

73436225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16420 (or 16415 counting only the distinct ones).

The product of its digits is 30240, while the sum is 32.

The square root of 73436225 is about 8569.4938590327. The cubic root of 73436225 is about 418.7647473829.

The spelling of 73436225 in words is "seventy-three million, four hundred thirty-six thousand, two hundred twenty-five".