72314225 has 6 divisors (see below), whose sum is σ = 89669670. Its totient is φ = 57851360.

The previous prime is 72314183. The next prime is 72314233. The reversal of 72314225 is 52241327.

It can be written as a sum of positive squares in 3 ways, for example, as 2274064 + 70040161 = 1508^2 + 8369^2 .

It is not a de Polignac number, because 72314225 - 2⁶ = 72314161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72314194 and 72314203.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1446260 + ... + 1446309.

It is an arithmetic number, because the mean of its divisors is an integer number (14944945).

Almost surely, 2^72314225 is an apocalyptic number.

It is an amenable number.

72314225 is a deficient number, since it is larger than the sum of its proper divisors (17355445).

72314225 is a wasteful number, since it uses less digits than its factorization.

72314225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892579 (or 2892574 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 72314225 is about 8503.7771019706. Note that the first 3 decimals coincide. The cubic root of 72314225 is about 416.6210847915.

The spelling of 72314225 in words is "seventy-two million, three hundred fourteen thousand, two hundred twenty-five".